191761491

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 270204928

約数和(自身を除く): 78443437

約数列:

[1, 3, 37, 61, 111, 127, 183, 223, 381, 669, 2257, 4699, 6771, 7747, 8251, 13603, 14097, 23241, 24753, 28321, 40809, 84963, 286639, 503311, 859917, 1047877, 1509933, 1727581, 3143631, 5182743, 63920497, 191761491]

約数ペア:

[(1, 191761491), (3, 63920497), (37, 5182743), (61, 3143631), (111, 1727581), (127, 1509933), (183, 1047877), (223, 859917), (381, 503311), (669, 286639), (2257, 84963), (4699, 40809), (6771, 28321), (7747, 24753), (8251, 23241), (13603, 14097)]