64729209

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{9803}}^1$

素因数の和:9908

約数の個数: 16

約数和(自身を含む): 90353664

約数和(自身を除く): 25624455

約数列:

[1, 3, 31, 71, 93, 213, 2201, 6603, 9803, 29409, 303893, 696013, 911679, 2088039, 21576403, 64729209]

約数ペア:

[(1, 64729209), (3, 21576403), (31, 2088039), (71, 911679), (93, 696013), (213, 303893), (2201, 29409), (6603, 9803)]