1388897991

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{382933}}^1$

素因数の和:382983

約数の個数: 24

約数和(自身を含む): 2230207616

約数和(自身を除く): 841309625

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 382933, 1148799, 3446397, 4978129, 11870923, 14934387, 35612769, 44803161, 106838307, 154321999, 462965997, 1388897991]

約数ペア:

[(1, 1388897991), (3, 462965997), (9, 154321999), (13, 106838307), (31, 44803161), (39, 35612769), (93, 14934387), (117, 11870923), (279, 4978129), (403, 3446397), (1209, 1148799), (3627, 382933)]