2019497751

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{158803}}^1$

素因数の和:158972

約数の個数: 20

約数和(自身を含む): 3036014872

約数和(自身を除く): 1016517121

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 158803, 476409, 1429227, 4287681, 12863043, 24932071, 74796213, 224388639, 673165917, 2019497751]

約数ペア:

[(1, 2019497751), (3, 673165917), (9, 224388639), (27, 74796213), (81, 24932071), (157, 12863043), (471, 4287681), (1413, 1429227), (4239, 476409), (12717, 158803)]