68161569

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 110208000

約数和(自身を除く): 42046431

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 399, 417, 973, 1229, 2641, 2919, 3687, 7923, 8603, 18487, 23351, 25809, 55461, 70053, 163457, 170831, 490371, 512493, 1195817, 3245789, 3587451, 9737367, 22720523, 68161569]

約数ペア:

[(1, 68161569), (3, 22720523), (7, 9737367), (19, 3587451), (21, 3245789), (57, 1195817), (133, 512493), (139, 490371), (399, 170831), (417, 163457), (973, 70053), (1229, 55461), (2641, 25809), (2919, 23351), (3687, 18487), (7923, 8603)]