128216235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{25981}}^1$

素因数の和:26043

約数の個数: 32

約数和(自身を含む): 239450112

約数和(自身を除く): 111233877

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 25981, 77943, 129905, 181867, 389715, 545601, 909335, 1221107, 2728005, 3663321, 6105535, 8547749, 18316605, 25643247, 42738745, 128216235]

約数ペア:

[(1, 128216235), (3, 42738745), (5, 25643247), (7, 18316605), (15, 8547749), (21, 6105535), (35, 3663321), (47, 2728005), (105, 1221107), (141, 909335), (235, 545601), (329, 389715), (705, 181867), (987, 129905), (1645, 77943), (4935, 25981)]