71868819

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 108822528

約数和(自身を除く): 36953709

約数列:

[1, 3, 11, 31, 33, 93, 163, 341, 431, 489, 1023, 1293, 1793, 4741, 5053, 5379, 13361, 14223, 15159, 40083, 55583, 70253, 146971, 166749, 210759, 440913, 772783, 2177843, 2318349, 6533529, 23956273, 71868819]

約数ペア:

[(1, 71868819), (3, 23956273), (11, 6533529), (31, 2318349), (33, 2177843), (93, 772783), (163, 440913), (341, 210759), (431, 166749), (489, 146971), (1023, 70253), (1293, 55583), (1793, 40083), (4741, 15159), (5053, 14223), (5379, 13361)]