2581425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 5803200

約数和(自身を除く): 3221775

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 75, 77, 99, 105, 149, 165, 175, 225, 231, 275, 315, 385, 447, 495, 525, 693, 745, 825, 1043, 1155, 1341, 1575, 1639, 1925, 2235, 2475, 3129, 3465, 3725, 4917, 5215, 5775, 6705, 8195, 9387, 11175, 11473, 14751, 15645, 17325, 24585, 26075, 33525, 34419, 40975, 46935, 57365, 73755, 78225, 103257, 122925, 172095, 234675, 286825, 368775, 516285, 860475, 2581425]

約数ペア:

[(1, 2581425), (3, 860475), (5, 516285), (7, 368775), (9, 286825), (11, 234675), (15, 172095), (21, 122925), (25, 103257), (33, 78225), (35, 73755), (45, 57365), (55, 46935), (63, 40975), (75, 34419), (77, 33525), (99, 26075), (105, 24585), (149, 17325), (165, 15645), (175, 14751), (225, 11473), (231, 11175), (275, 9387), (315, 8195), (385, 6705), (447, 5775), (495, 5215), (525, 4917), (693, 3725), (745, 3465), (825, 3129), (1043, 2475), (1155, 2235), (1341, 1925), (1575, 1639)]