1388402211

素因数分解:

$3^1\times 7^2\times {\mathrm{577}}^1\times {\mathrm{16369}}^1$

素因数の和:16963

約数の個数: 24

約数和(自身を含む): 2157304080

約数和(自身を除く): 768901869

約数列:

[1, 3, 7, 21, 49, 147, 577, 1731, 4039, 12117, 16369, 28273, 49107, 84819, 114583, 343749, 802081, 2406243, 9444913, 28334739, 66114391, 198343173, 462800737, 1388402211]

約数ペア:

[(1, 1388402211), (3, 462800737), (7, 198343173), (21, 66114391), (49, 28334739), (147, 9444913), (577, 2406243), (1731, 802081), (4039, 343749), (12117, 114583), (16369, 84819), (28273, 49107)]