2221271253

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1531}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 3449132544

約数和(自身を除く): 1227861291

約数列:

[1, 3, 9, 23, 43, 69, 129, 163, 207, 387, 489, 989, 1467, 1531, 2967, 3749, 4593, 7009, 8901, 11247, 13779, 21027, 33741, 35213, 63081, 65833, 105639, 161207, 197499, 249553, 316917, 483621, 592497, 748659, 1450863, 1514159, 2245977, 4542477, 5739719, 10730779, 13627431, 17219157, 32192337, 51657471, 96577011, 246807917, 740423751, 2221271253]

約数ペア:

[(1, 2221271253), (3, 740423751), (9, 246807917), (23, 96577011), (43, 51657471), (69, 32192337), (129, 17219157), (163, 13627431), (207, 10730779), (387, 5739719), (489, 4542477), (989, 2245977), (1467, 1514159), (1531, 1450863), (2967, 748659), (3749, 592497), (4593, 483621), (7009, 316917), (8901, 249553), (11247, 197499), (13779, 161207), (21027, 105639), (33741, 65833), (35213, 63081)]