25039575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 49984896

約数和(自身を除く): 24945321

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 67, 75, 99, 151, 165, 201, 225, 275, 335, 453, 495, 603, 737, 755, 825, 1005, 1359, 1661, 1675, 2211, 2265, 2475, 3015, 3685, 3775, 4983, 5025, 6633, 6795, 8305, 10117, 11055, 11325, 14949, 15075, 18425, 24915, 30351, 33165, 33975, 41525, 50585, 55275, 74745, 91053, 111287, 124575, 151755, 165825, 252925, 333861, 373725, 455265, 556435, 758775, 1001583, 1669305, 2276325, 2782175, 5007915, 8346525, 25039575]

約数ペア:

[(1, 25039575), (3, 8346525), (5, 5007915), (9, 2782175), (11, 2276325), (15, 1669305), (25, 1001583), (33, 758775), (45, 556435), (55, 455265), (67, 373725), (75, 333861), (99, 252925), (151, 165825), (165, 151755), (201, 124575), (225, 111287), (275, 91053), (335, 74745), (453, 55275), (495, 50585), (603, 41525), (737, 33975), (755, 33165), (825, 30351), (1005, 24915), (1359, 18425), (1661, 15075), (1675, 14949), (2211, 11325), (2265, 11055), (2475, 10117), (3015, 8305), (3685, 6795), (3775, 6633), (4983, 5025)]