257741145

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 456124032

約数和(自身を除く): 198382887

約数列:

[1, 3, 5, 9, 15, 45, 83, 151, 249, 415, 453, 457, 747, 755, 1245, 1359, 1371, 2265, 2285, 3735, 4113, 6795, 6855, 12533, 20565, 37599, 37931, 62665, 69007, 112797, 113793, 187995, 189655, 207021, 341379, 345035, 563985, 568965, 621063, 1035105, 1706895, 3105315, 5727581, 17182743, 28637905, 51548229, 85913715, 257741145]

約数ペア:

[(1, 257741145), (3, 85913715), (5, 51548229), (9, 28637905), (15, 17182743), (45, 5727581), (83, 3105315), (151, 1706895), (249, 1035105), (415, 621063), (453, 568965), (457, 563985), (747, 345035), (755, 341379), (1245, 207021), (1359, 189655), (1371, 187995), (2265, 113793), (2285, 112797), (3735, 69007), (4113, 62665), (6795, 37931), (6855, 37599), (12533, 20565)]