68507205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1367}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 118589184

約数和(自身を除く): 50081979

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 257, 771, 1285, 1367, 3341, 3855, 4101, 6835, 10023, 16705, 17771, 20505, 50115, 53313, 88855, 266565, 351319, 1053957, 1756595, 4567147, 5269785, 13701441, 22835735, 68507205]

約数ペア:

[(1, 68507205), (3, 22835735), (5, 13701441), (13, 5269785), (15, 4567147), (39, 1756595), (65, 1053957), (195, 351319), (257, 266565), (771, 88855), (1285, 53313), (1367, 50115), (3341, 20505), (3855, 17771), (4101, 16705), (6835, 10023)]