197409639

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{494761}}^1$

素因数の和:494790

約数の個数: 16

約数和(自身を含む): 316647680

約数和(自身を除く): 119238041

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 494761, 1484283, 3463327, 9400459, 10389981, 28201377, 65803213, 197409639]

約数ペア:

[(1, 197409639), (3, 65803213), (7, 28201377), (19, 10389981), (21, 9400459), (57, 3463327), (133, 1484283), (399, 494761)]