1289782977

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{8017}}^1$

素因数の和:8237

約数の個数: 32

約数和(自身を含む): 2019766272

約数和(自身を除く): 729983295

約数列:

[1, 3, 7, 21, 47, 141, 163, 329, 489, 987, 1141, 3423, 7661, 8017, 22983, 24051, 53627, 56119, 160881, 168357, 376799, 1130397, 1306771, 2637593, 3920313, 7912779, 9147397, 27442191, 61418237, 184254711, 429927659, 1289782977]

約数ペア:

[(1, 1289782977), (3, 429927659), (7, 184254711), (21, 61418237), (47, 27442191), (141, 9147397), (163, 7912779), (329, 3920313), (489, 2637593), (987, 1306771), (1141, 1130397), (3423, 376799), (7661, 168357), (8017, 160881), (22983, 56119), (24051, 53627)]