74191221

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{70457}}^1$

素因数の和:70482

約数の個数: 20

約数和(自身を含む): 119355852

約数和(自身を除く): 45164631

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 70457, 211371, 634113, 915941, 1902339, 2747823, 5707017, 8243469, 24730407, 74191221]

約数ペア:

[(1, 74191221), (3, 24730407), (9, 8243469), (13, 5707017), (27, 2747823), (39, 1902339), (81, 915941), (117, 634113), (351, 211371), (1053, 70457)]