1990403739

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{563}}^1\times {\mathrm{5693}}^1$

素因数の和:6288

約数の個数: 32

約数和(自身を含む): 3082959360

約数和(自身を除く): 1092555621

約数列:

[1, 3, 9, 23, 27, 69, 207, 563, 621, 1689, 5067, 5693, 12949, 15201, 17079, 38847, 51237, 116541, 130939, 153711, 349623, 392817, 1178451, 3205159, 3535353, 9615477, 28846431, 73718657, 86539293, 221155971, 663467913, 1990403739]

約数ペア:

[(1, 1990403739), (3, 663467913), (9, 221155971), (23, 86539293), (27, 73718657), (69, 28846431), (207, 9615477), (563, 3535353), (621, 3205159), (1689, 1178451), (5067, 392817), (5693, 349623), (12949, 153711), (15201, 130939), (17079, 116541), (38847, 51237)]