31601817

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 50244480

約数和(自身を除く): 18642663

約数列:

[1, 3, 9, 13, 39, 79, 117, 169, 237, 263, 507, 711, 789, 1027, 1521, 2367, 3081, 3419, 9243, 10257, 13351, 20777, 30771, 40053, 44447, 62331, 120159, 133341, 186993, 270101, 400023, 810303, 2430909, 3511313, 10533939, 31601817]

約数ペア:

[(1, 31601817), (3, 10533939), (9, 3511313), (13, 2430909), (39, 810303), (79, 400023), (117, 270101), (169, 186993), (237, 133341), (263, 120159), (507, 62331), (711, 44447), (789, 40053), (1027, 30771), (1521, 20777), (2367, 13351), (3081, 10257), (3419, 9243)]