81147549

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{577}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 127918336

約数和(自身を除く): 46770787

約数列:

[1, 3, 7, 21, 37, 111, 181, 259, 543, 577, 777, 1267, 1731, 3801, 4039, 6697, 12117, 20091, 21349, 46879, 64047, 104437, 140637, 149443, 313311, 448329, 731059, 2193177, 3864169, 11592507, 27049183, 81147549]

約数ペア:

[(1, 81147549), (3, 27049183), (7, 11592507), (21, 3864169), (37, 2193177), (111, 731059), (181, 448329), (259, 313311), (543, 149443), (577, 140637), (777, 104437), (1267, 64047), (1731, 46879), (3801, 21349), (4039, 20091), (6697, 12117)]