67981473

素因数分解:

$3^2\times 7^2\times {\mathrm{154153}}^1$

素因数の和:154173

約数の個数: 18

約数和(自身を含む): 114228114

約数和(自身を除く): 46246641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 154153, 462459, 1079071, 1387377, 3237213, 7553497, 9711639, 22660491, 67981473]

約数ペア:

[(1, 67981473), (3, 22660491), (7, 9711639), (9, 7553497), (21, 3237213), (49, 1387377), (63, 1079071), (147, 462459), (441, 154153)]