212340987

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1951}}^1$

素因数の和:2128

約数の個数: 32

約数和(自身を含む): 327936000

約数和(自身を除く): 115595013

約数列:

[1, 3, 9, 27, 29, 87, 139, 261, 417, 783, 1251, 1951, 3753, 4031, 5853, 12093, 17559, 36279, 52677, 56579, 108837, 169737, 271189, 509211, 813567, 1527633, 2440701, 7322103, 7864481, 23593443, 70780329, 212340987]

約数ペア:

[(1, 212340987), (3, 70780329), (9, 23593443), (27, 7864481), (29, 7322103), (87, 2440701), (139, 1527633), (261, 813567), (417, 509211), (783, 271189), (1251, 169737), (1951, 108837), (3753, 56579), (4031, 52677), (5853, 36279), (12093, 17559)]