31661019

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{587}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 49441392

約数和(自身を除く): 17780373

約数列:

[1, 3, 9, 13, 39, 117, 461, 587, 1383, 1761, 4149, 5283, 5993, 7631, 17979, 22893, 53937, 68679, 270607, 811821, 2435463, 3517891, 10553673, 31661019]

約数ペア:

[(1, 31661019), (3, 10553673), (9, 3517891), (13, 2435463), (39, 811821), (117, 270607), (461, 68679), (587, 53937), (1383, 22893), (1761, 17979), (4149, 7631), (5283, 5993)]