25202925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 52228800

約数和(自身を除く): 27025875

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 153, 165, 187, 225, 255, 275, 425, 495, 561, 599, 765, 825, 935, 1275, 1683, 1797, 2475, 2805, 2995, 3825, 4675, 5391, 6589, 8415, 8985, 10183, 14025, 14975, 19767, 26955, 30549, 32945, 42075, 44925, 50915, 59301, 91647, 98835, 112013, 134775, 152745, 164725, 254575, 296505, 336039, 458235, 494175, 560065, 763725, 1008117, 1482525, 1680195, 2291175, 2800325, 5040585, 8400975, 25202925]

約数ペア:

[(1, 25202925), (3, 8400975), (5, 5040585), (9, 2800325), (11, 2291175), (15, 1680195), (17, 1482525), (25, 1008117), (33, 763725), (45, 560065), (51, 494175), (55, 458235), (75, 336039), (85, 296505), (99, 254575), (153, 164725), (165, 152745), (187, 134775), (225, 112013), (255, 98835), (275, 91647), (425, 59301), (495, 50915), (561, 44925), (599, 42075), (765, 32945), (825, 30549), (935, 26955), (1275, 19767), (1683, 14975), (1797, 14025), (2475, 10183), (2805, 8985), (2995, 8415), (3825, 6589), (4675, 5391)]