387777481

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1361}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 497903616

約数和(自身を除く): 110126135

約数列:

[1, 7, 13, 31, 91, 101, 217, 403, 707, 1313, 1361, 2821, 3131, 9191, 9527, 17693, 21917, 40703, 42191, 123851, 137461, 284921, 295337, 548483, 962227, 1786993, 3839381, 4261291, 12508951, 29829037, 55396783, 387777481]

約数ペア:

[(1, 387777481), (7, 55396783), (13, 29829037), (31, 12508951), (91, 4261291), (101, 3839381), (217, 1786993), (403, 962227), (707, 548483), (1313, 295337), (1361, 284921), (2821, 137461), (3131, 123851), (9191, 42191), (9527, 40703), (17693, 21917)]