31931523

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3137}}^1$

素因数の和:3188

約数の個数: 32

約数和(自身を含む): 52718400

約数和(自身を除く): 20786877

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 3137, 3393, 9411, 10179, 28233, 40781, 84699, 90973, 122343, 272919, 367029, 818757, 1101087, 1182649, 2456271, 3547947, 10643841, 31931523]

約数ペア:

[(1, 31931523), (3, 10643841), (9, 3547947), (13, 2456271), (27, 1182649), (29, 1101087), (39, 818757), (87, 367029), (117, 272919), (261, 122343), (351, 90973), (377, 84699), (783, 40781), (1131, 28233), (3137, 10179), (3393, 9411)]