31877421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 46602240

約数和(自身を除く): 14724819

約数列:

[1, 3, 19, 47, 57, 73, 141, 163, 219, 489, 893, 1387, 2679, 3097, 3431, 4161, 7661, 9291, 10293, 11899, 22983, 35697, 65189, 145559, 195567, 226081, 436677, 559253, 678243, 1677759, 10625807, 31877421]

約数ペア:

[(1, 31877421), (3, 10625807), (19, 1677759), (47, 678243), (57, 559253), (73, 436677), (141, 226081), (163, 195567), (219, 145559), (489, 65189), (893, 35697), (1387, 22983), (2679, 11899), (3097, 10293), (3431, 9291), (4161, 7661)]