71391747

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1871}}^1$

素因数の和:1983

約数の個数: 32

約数和(自身を含む): 115015680

約数和(自身を除く): 43623933

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 553, 1659, 1817, 1871, 5451, 5613, 12719, 13097, 38157, 39291, 43033, 129099, 147809, 301231, 443427, 903693, 1034663, 3103989, 3399607, 10198821, 23797249, 71391747]

約数ペア:

[(1, 71391747), (3, 23797249), (7, 10198821), (21, 3399607), (23, 3103989), (69, 1034663), (79, 903693), (161, 443427), (237, 301231), (483, 147809), (553, 129099), (1659, 43033), (1817, 39291), (1871, 38157), (5451, 13097), (5613, 12719)]