31031721

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1453}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 53041920

約数和(自身を除く): 22010199

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 339, 791, 1017, 1453, 2373, 3051, 4359, 7119, 10171, 13077, 21357, 30513, 39231, 91539, 164189, 274617, 492567, 1149323, 1477701, 3447969, 4433103, 10343907, 31031721]

約数ペア:

[(1, 31031721), (3, 10343907), (7, 4433103), (9, 3447969), (21, 1477701), (27, 1149323), (63, 492567), (113, 274617), (189, 164189), (339, 91539), (791, 39231), (1017, 30513), (1453, 21357), (2373, 13077), (3051, 10171), (4359, 7119)]