661806975

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3359}}^1$

素因数の和:3480

約数の個数: 48

約数和(自身を含む): 1139927040

約数和(自身を除く): 478120065

約数列:

[1, 3, 5, 15, 25, 37, 71, 75, 111, 185, 213, 355, 555, 925, 1065, 1775, 2627, 2775, 3359, 5325, 7881, 10077, 13135, 16795, 39405, 50385, 65675, 83975, 124283, 197025, 238489, 251925, 372849, 621415, 715467, 1192445, 1864245, 3107075, 3577335, 5962225, 8824093, 9321225, 17886675, 26472279, 44120465, 132361395, 220602325, 661806975]

約数ペア:

[(1, 661806975), (3, 220602325), (5, 132361395), (15, 44120465), (25, 26472279), (37, 17886675), (71, 9321225), (75, 8824093), (111, 5962225), (185, 3577335), (213, 3107075), (355, 1864245), (555, 1192445), (925, 715467), (1065, 621415), (1775, 372849), (2627, 251925), (2775, 238489), (3359, 197025), (5325, 124283), (7881, 83975), (10077, 65675), (13135, 50385), (16795, 39405)]