65809125

素因数分解:

$3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 128

約数和(自身を含む): 136581120

約数和(自身を除く): 70771995

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 31, 37, 45, 51, 75, 85, 93, 111, 125, 135, 153, 155, 185, 225, 255, 279, 333, 375, 425, 459, 465, 527, 555, 629, 675, 765, 775, 837, 925, 999, 1125, 1147, 1275, 1395, 1581, 1665, 1887, 2125, 2295, 2325, 2635, 2775, 3145, 3375, 3441, 3825, 3875, 4185, 4625, 4743, 4995, 5661, 5735, 6375, 6975, 7905, 8325, 9435, 10323, 11475, 11625, 13175, 13875, 14229, 15725, 16983, 17205, 19125, 19499, 20925, 23715, 24975, 28305, 28675, 30969, 34875, 39525, 41625, 47175, 51615, 57375, 58497, 65875, 71145, 78625, 84915, 86025, 97495, 104625, 118575, 124875, 141525, 143375, 154845, 175491, 197625, 235875, 258075, 292485, 355725, 424575, 430125, 487475, 526473, 592875, 707625, 774225, 877455, 1290375, 1462425, 1778625, 2122875, 2437375, 2632365, 3871125, 4387275, 7312125, 13161825, 21936375, 65809125]

約数ペア:

[(1, 65809125), (3, 21936375), (5, 13161825), (9, 7312125), (15, 4387275), (17, 3871125), (25, 2632365), (27, 2437375), (31, 2122875), (37, 1778625), (45, 1462425), (51, 1290375), (75, 877455), (85, 774225), (93, 707625), (111, 592875), (125, 526473), (135, 487475), (153, 430125), (155, 424575), (185, 355725), (225, 292485), (255, 258075), (279, 235875), (333, 197625), (375, 175491), (425, 154845), (459, 143375), (465, 141525), (527, 124875), (555, 118575), (629, 104625), (675, 97495), (765, 86025), (775, 84915), (837, 78625), (925, 71145), (999, 65875), (1125, 58497), (1147, 57375), (1275, 51615), (1395, 47175), (1581, 41625), (1665, 39525), (1887, 34875), (2125, 30969), (2295, 28675), (2325, 28305), (2635, 24975), (2775, 23715), (3145, 20925), (3375, 19499), (3441, 19125), (3825, 17205), (3875, 16983), (4185, 15725), (4625, 14229), (4743, 13875), (4995, 13175), (5661, 11625), (5735, 11475), (6375, 10323), (6975, 9435), (7905, 8325)]