28989675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 65808288

約数和(自身を除く): 36818613

約数列:

[1, 3, 5, 9, 11, 13, 15, 17, 25, 33, 39, 45, 51, 53, 55, 65, 75, 85, 99, 117, 143, 153, 159, 165, 187, 195, 221, 225, 255, 265, 275, 325, 425, 429, 477, 495, 561, 583, 585, 663, 689, 715, 765, 795, 825, 901, 935, 975, 1105, 1275, 1287, 1325, 1683, 1749, 1989, 2067, 2145, 2385, 2431, 2475, 2703, 2805, 2915, 2925, 3315, 3445, 3575, 3825, 3975, 4505, 4675, 5247, 5525, 6201, 6435, 7293, 7579, 8109, 8415, 8745, 9911, 9945, 10335, 10725, 11713, 11925, 12155, 13515, 14025, 14575, 16575, 17225, 21879, 22525, 22737, 26235, 29733, 31005, 32175, 35139, 36465, 37895, 40545, 42075, 43725, 49555, 49725, 51675, 58565, 60775, 67575, 68211, 89199, 105417, 109395, 113685, 128843, 131175, 148665, 155025, 175695, 182325, 189475, 202725, 247775, 292825, 341055, 386529, 445995, 527085, 546975, 568425, 644215, 743325, 878475, 1159587, 1705275, 1932645, 2229975, 2635425, 3221075, 5797935, 9663225, 28989675]

約数ペア:

[(1, 28989675), (3, 9663225), (5, 5797935), (9, 3221075), (11, 2635425), (13, 2229975), (15, 1932645), (17, 1705275), (25, 1159587), (33, 878475), (39, 743325), (45, 644215), (51, 568425), (53, 546975), (55, 527085), (65, 445995), (75, 386529), (85, 341055), (99, 292825), (117, 247775), (143, 202725), (153, 189475), (159, 182325), (165, 175695), (187, 155025), (195, 148665), (221, 131175), (225, 128843), (255, 113685), (265, 109395), (275, 105417), (325, 89199), (425, 68211), (429, 67575), (477, 60775), (495, 58565), (561, 51675), (583, 49725), (585, 49555), (663, 43725), (689, 42075), (715, 40545), (765, 37895), (795, 36465), (825, 35139), (901, 32175), (935, 31005), (975, 29733), (1105, 26235), (1275, 22737), (1287, 22525), (1325, 21879), (1683, 17225), (1749, 16575), (1989, 14575), (2067, 14025), (2145, 13515), (2385, 12155), (2431, 11925), (2475, 11713), (2703, 10725), (2805, 10335), (2915, 9945), (2925, 9911), (3315, 8745), (3445, 8415), (3575, 8109), (3825, 7579), (3975, 7293), (4505, 6435), (4675, 6201), (5247, 5525)]