155909313

素因数分解:

$3^3\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1481}}^1$

素因数の和:2054

約数の個数: 32

約数和(自身を含む): 264625920

約数和(自身を除く): 108716607

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 557, 1481, 1671, 3899, 4443, 5013, 10367, 11697, 13329, 15039, 31101, 35091, 39987, 93303, 105273, 279909, 824917, 2474751, 5774419, 7424253, 17323257, 22272759, 51969771, 155909313]

約数ペア:

[(1, 155909313), (3, 51969771), (7, 22272759), (9, 17323257), (21, 7424253), (27, 5774419), (63, 2474751), (189, 824917), (557, 279909), (1481, 105273), (1671, 93303), (3899, 39987), (4443, 35091), (5013, 31101), (10367, 15039), (11697, 13329)]