858172389

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{647}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 1224253440

約数和(自身を除く): 366081051

約数列:

[1, 3, 23, 47, 69, 141, 409, 647, 1081, 1227, 1941, 3243, 9407, 14881, 19223, 28221, 30409, 44643, 57669, 91227, 264623, 442129, 699407, 793869, 1326387, 2098221, 6086329, 12437281, 18258987, 37311843, 286057463, 858172389]

約数ペア:

[(1, 858172389), (3, 286057463), (23, 37311843), (47, 18258987), (69, 12437281), (141, 6086329), (409, 2098221), (647, 1326387), (1081, 793869), (1227, 699407), (1941, 442129), (3243, 264623), (9407, 91227), (14881, 57669), (19223, 44643), (28221, 30409)]