1855804527

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{145931}}^1$

素因数の和:146100

約数の個数: 20

約数和(自身を含む): 2789927976

約数和(自身を除く): 934123449

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 145931, 437793, 1313379, 3940137, 11820411, 22911167, 68733501, 206200503, 618601509, 1855804527]

約数ペア:

[(1, 1855804527), (3, 618601509), (9, 206200503), (27, 68733501), (81, 22911167), (157, 11820411), (471, 3940137), (1413, 1313379), (4239, 437793), (12717, 145931)]