260919675

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{16333}}^1$

素因数の和:16420

約数の個数: 36

約数和(自身を含む): 473947344

約数和(自身を除く): 213027669

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 5325, 15975, 16333, 48999, 81665, 146997, 244995, 408325, 734985, 1159643, 1224975, 3478929, 3674925, 5798215, 10436787, 17394645, 28991075, 52183935, 86973225, 260919675]

約数ペア:

[(1, 260919675), (3, 86973225), (5, 52183935), (9, 28991075), (15, 17394645), (25, 10436787), (45, 5798215), (71, 3674925), (75, 3478929), (213, 1224975), (225, 1159643), (355, 734985), (639, 408325), (1065, 244995), (1775, 146997), (3195, 81665), (5325, 48999), (15975, 16333)]