11969919

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 18738720

約数和(自身を除く): 6768801

約数列:

[1, 3, 9, 13, 39, 117, 263, 389, 789, 1167, 2367, 3419, 3501, 5057, 10257, 15171, 30771, 45513, 102307, 306921, 920763, 1329991, 3989973, 11969919]

約数ペア:

[(1, 11969919), (3, 3989973), (9, 1329991), (13, 920763), (39, 306921), (117, 102307), (263, 45513), (389, 30771), (789, 15171), (1167, 10257), (2367, 5057), (3419, 3501)]