259005825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1213}}^1$

素因数の和:1315

約数の個数: 72

約数和(自身を含む): 506854712

約数和(自身を除く): 247848887

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 73, 75, 117, 195, 219, 225, 325, 365, 585, 657, 949, 975, 1095, 1213, 1825, 2847, 2925, 3285, 3639, 4745, 5475, 6065, 8541, 10917, 14235, 15769, 16425, 18195, 23725, 30325, 42705, 47307, 54585, 71175, 78845, 88549, 90975, 141921, 213525, 236535, 265647, 272925, 394225, 442745, 709605, 796941, 1151137, 1182675, 1328235, 2213725, 3453411, 3548025, 3984705, 5755685, 6641175, 10360233, 17267055, 19923525, 28778425, 51801165, 86335275, 259005825]

約数ペア:

[(1, 259005825), (3, 86335275), (5, 51801165), (9, 28778425), (13, 19923525), (15, 17267055), (25, 10360233), (39, 6641175), (45, 5755685), (65, 3984705), (73, 3548025), (75, 3453411), (117, 2213725), (195, 1328235), (219, 1182675), (225, 1151137), (325, 796941), (365, 709605), (585, 442745), (657, 394225), (949, 272925), (975, 265647), (1095, 236535), (1213, 213525), (1825, 141921), (2847, 90975), (2925, 88549), (3285, 78845), (3639, 71175), (4745, 54585), (5475, 47307), (6065, 42705), (8541, 30325), (10917, 23725), (14235, 18195), (15769, 16425)]