66520575

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:95

約数の個数: 144

約数和(自身を含む): 146181120

約数和(自身を除く): 79660545

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 27, 31, 33, 45, 51, 55, 75, 85, 93, 99, 135, 153, 155, 165, 187, 225, 255, 275, 279, 289, 297, 341, 425, 459, 465, 495, 527, 561, 675, 765, 775, 825, 837, 867, 935, 1023, 1275, 1395, 1445, 1485, 1581, 1683, 1705, 2295, 2325, 2475, 2601, 2635, 2805, 3069, 3179, 3825, 4185, 4335, 4675, 4743, 5049, 5115, 5797, 6975, 7225, 7425, 7803, 7905, 8415, 8525, 8959, 9207, 9537, 11475, 13005, 13175, 14025, 14229, 15345, 15895, 17391, 20925, 21675, 23715, 25245, 25575, 26877, 28611, 28985, 39015, 39525, 42075, 44795, 46035, 47685, 52173, 65025, 71145, 76725, 79475, 80631, 85833, 86955, 98549, 118575, 126225, 134385, 143055, 144925, 156519, 195075, 223975, 230175, 238425, 241893, 260865, 295647, 355725, 403155, 429165, 434775, 492745, 671925, 715275, 782595, 886941, 1209465, 1304325, 1478235, 2015775, 2145825, 2463725, 2660823, 3912975, 4434705, 6047325, 7391175, 13304115, 22173525, 66520575]

約数ペア:

[(1, 66520575), (3, 22173525), (5, 13304115), (9, 7391175), (11, 6047325), (15, 4434705), (17, 3912975), (25, 2660823), (27, 2463725), (31, 2145825), (33, 2015775), (45, 1478235), (51, 1304325), (55, 1209465), (75, 886941), (85, 782595), (93, 715275), (99, 671925), (135, 492745), (153, 434775), (155, 429165), (165, 403155), (187, 355725), (225, 295647), (255, 260865), (275, 241893), (279, 238425), (289, 230175), (297, 223975), (341, 195075), (425, 156519), (459, 144925), (465, 143055), (495, 134385), (527, 126225), (561, 118575), (675, 98549), (765, 86955), (775, 85833), (825, 80631), (837, 79475), (867, 76725), (935, 71145), (1023, 65025), (1275, 52173), (1395, 47685), (1445, 46035), (1485, 44795), (1581, 42075), (1683, 39525), (1705, 39015), (2295, 28985), (2325, 28611), (2475, 26877), (2601, 25575), (2635, 25245), (2805, 23715), (3069, 21675), (3179, 20925), (3825, 17391), (4185, 15895), (4335, 15345), (4675, 14229), (4743, 14025), (5049, 13175), (5115, 13005), (5797, 11475), (6975, 9537), (7225, 9207), (7425, 8959), (7803, 8525), (7905, 8415)]