128230509

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 191139840

約数和(自身を除く): 62909331

約数列:

[1, 3, 11, 33, 79, 101, 237, 303, 487, 869, 1111, 1461, 2607, 3333, 5357, 7979, 16071, 23937, 38473, 49187, 87769, 115419, 147561, 263307, 423203, 541057, 1269609, 1623171, 3885773, 11657319, 42743503, 128230509]

約数ペア:

[(1, 128230509), (3, 42743503), (11, 11657319), (33, 3885773), (79, 1623171), (101, 1269609), (237, 541057), (303, 423203), (487, 263307), (869, 147561), (1111, 115419), (1461, 87769), (2607, 49187), (3333, 38473), (5357, 23937), (7979, 16071)]