147987777

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89203}}^1$

素因数の和:89292

約数の個数: 16

約数和(自身を含む): 228362240

約数和(自身を除く): 80374463

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 89203, 267609, 624421, 1873263, 7047037, 21141111, 49329259, 147987777]

約数ペア:

[(1, 147987777), (3, 49329259), (7, 21141111), (21, 7047037), (79, 1873263), (237, 624421), (553, 267609), (1659, 89203)]