91821225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 159148544

約数和(自身を除く): 67327319

約数列:

[1, 3, 5, 15, 25, 31, 73, 75, 93, 155, 219, 365, 465, 541, 775, 1095, 1623, 1825, 2263, 2325, 2705, 5475, 6789, 8115, 11315, 13525, 16771, 33945, 39493, 40575, 50313, 56575, 83855, 118479, 169725, 197465, 251565, 419275, 592395, 987325, 1224283, 1257825, 2961975, 3672849, 6121415, 18364245, 30607075, 91821225]

約数ペア:

[(1, 91821225), (3, 30607075), (5, 18364245), (15, 6121415), (25, 3672849), (31, 2961975), (73, 1257825), (75, 1224283), (93, 987325), (155, 592395), (219, 419275), (365, 251565), (465, 197465), (541, 169725), (775, 118479), (1095, 83855), (1623, 56575), (1825, 50313), (2263, 40575), (2325, 39493), (2705, 33945), (5475, 16771), (6789, 13525), (8115, 11315)]