31058391

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3923}}^1$

素因数の和:3975

約数の個数: 32

約数和(自身を含む): 52738560

約数和(自身を除く): 21680169

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 3923, 7917, 11769, 27461, 50999, 82383, 113767, 152997, 341301, 356993, 796369, 1070979, 1478971, 2389107, 4436913, 10352797, 31058391]

約数ペア:

[(1, 31058391), (3, 10352797), (7, 4436913), (13, 2389107), (21, 1478971), (29, 1070979), (39, 796369), (87, 356993), (91, 341301), (203, 152997), (273, 113767), (377, 82383), (609, 50999), (1131, 27461), (2639, 11769), (3923, 7917)]