156943177695

素因数分解:

$3^4\times 5^1\times {\mathrm{387514019}}^1$

素因数の和:387514036

約数の個数: 20

約数和(自身を含む): 281335178520

約数和(自身を除く): 124392000825

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387514019, 1162542057, 1937570095, 3487626171, 5812710285, 10462878513, 17438130855, 31388635539, 52314392565, 156943177695]

約数ペア:

[(1, 156943177695), (3, 52314392565), (5, 31388635539), (9, 17438130855), (15, 10462878513), (27, 5812710285), (45, 3487626171), (81, 1937570095), (135, 1162542057), (405, 387514019)]