25672725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 50642592

約数和(自身を除く): 24969867

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 67, 75, 117, 131, 195, 201, 225, 325, 335, 393, 585, 603, 655, 871, 975, 1005, 1179, 1675, 1703, 1965, 2613, 2925, 3015, 3275, 4355, 5025, 5109, 5895, 7839, 8515, 8777, 9825, 13065, 15075, 15327, 21775, 25545, 26331, 29475, 39195, 42575, 43885, 65325, 76635, 78993, 114101, 127725, 131655, 195975, 219425, 342303, 383175, 394965, 570505, 658275, 1026909, 1711515, 1974825, 2852525, 5134545, 8557575, 25672725]

約数ペア:

[(1, 25672725), (3, 8557575), (5, 5134545), (9, 2852525), (13, 1974825), (15, 1711515), (25, 1026909), (39, 658275), (45, 570505), (65, 394965), (67, 383175), (75, 342303), (117, 219425), (131, 195975), (195, 131655), (201, 127725), (225, 114101), (325, 78993), (335, 76635), (393, 65325), (585, 43885), (603, 42575), (655, 39195), (871, 29475), (975, 26331), (1005, 25545), (1179, 21775), (1675, 15327), (1703, 15075), (1965, 13065), (2613, 9825), (2925, 8777), (3015, 8515), (3275, 7839), (4355, 5895), (5025, 5109)]