81493398

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2729}}^1$

素因数の和:2826

約数の個数: 64

約数和(自身を含む): 209664000

約数和(自身を除く): 128170602

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 79, 126, 158, 189, 237, 378, 474, 553, 711, 1106, 1422, 1659, 2133, 2729, 3318, 4266, 4977, 5458, 8187, 9954, 14931, 16374, 19103, 24561, 29862, 38206, 49122, 57309, 73683, 114618, 147366, 171927, 215591, 343854, 431182, 515781, 646773, 1031562, 1293546, 1509137, 1940319, 3018274, 3880638, 4527411, 5820957, 9054822, 11641914, 13582233, 27164466, 40746699, 81493398]

約数ペア:

[(1, 81493398), (2, 40746699), (3, 27164466), (6, 13582233), (7, 11641914), (9, 9054822), (14, 5820957), (18, 4527411), (21, 3880638), (27, 3018274), (42, 1940319), (54, 1509137), (63, 1293546), (79, 1031562), (126, 646773), (158, 515781), (189, 431182), (237, 343854), (378, 215591), (474, 171927), (553, 147366), (711, 114618), (1106, 73683), (1422, 57309), (1659, 49122), (2133, 38206), (2729, 29862), (3318, 24561), (4266, 19103), (4977, 16374), (5458, 14931), (8187, 9954)]