131897145

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{991}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 222842880

約数和(自身を除く): 90945735

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 467, 991, 1401, 2335, 2973, 4955, 7005, 8873, 14865, 18829, 26619, 44365, 56487, 94145, 133095, 282435, 462797, 1388391, 2313985, 6941955, 8793143, 26379429, 43965715, 131897145]

約数ペア:

[(1, 131897145), (3, 43965715), (5, 26379429), (15, 8793143), (19, 6941955), (57, 2313985), (95, 1388391), (285, 462797), (467, 282435), (991, 133095), (1401, 94145), (2335, 56487), (2973, 44365), (4955, 26619), (7005, 18829), (8873, 14865)]