513315825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20071}}^1$

素因数の和:20126

約数の個数: 48

約数和(自身を含む): 955748352

約数和(自身を除く): 442432527

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 155, 165, 275, 341, 465, 775, 825, 1023, 1705, 2325, 5115, 8525, 20071, 25575, 60213, 100355, 220781, 301065, 501775, 622201, 662343, 1103905, 1505325, 1866603, 3111005, 3311715, 5519525, 6844211, 9333015, 15555025, 16558575, 20532633, 34221055, 46665075, 102663165, 171105275, 513315825]

約数ペア:

[(1, 513315825), (3, 171105275), (5, 102663165), (11, 46665075), (15, 34221055), (25, 20532633), (31, 16558575), (33, 15555025), (55, 9333015), (75, 6844211), (93, 5519525), (155, 3311715), (165, 3111005), (275, 1866603), (341, 1505325), (465, 1103905), (775, 662343), (825, 622201), (1023, 501775), (1705, 301065), (2325, 220781), (5115, 100355), (8525, 60213), (20071, 25575)]