15128421

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{829}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 25497600

約数和(自身を除く): 10369179

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 829, 869, 1659, 2487, 2607, 5803, 6083, 9119, 17409, 18249, 27357, 63833, 65491, 191499, 196473, 458437, 720401, 1375311, 2161203, 5042807, 15128421]

約数ペア:

[(1, 15128421), (3, 5042807), (7, 2161203), (11, 1375311), (21, 720401), (33, 458437), (77, 196473), (79, 191499), (231, 65491), (237, 63833), (553, 27357), (829, 18249), (869, 17409), (1659, 9119), (2487, 6083), (2607, 5803)]