1397375091

素因数分解:

$3^3\times 7^2\times {\mathrm{1056217}}^1$

素因数の和:1056240

約数の個数: 24

約数和(自身を含む): 2408177040

約数和(自身を除く): 1010801949

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1056217, 3168651, 7393519, 9505953, 22180557, 28517859, 51754633, 66541671, 155263899, 199625013, 465791697, 1397375091]

約数ペア:

[(1, 1397375091), (3, 465791697), (7, 199625013), (9, 155263899), (21, 66541671), (27, 51754633), (49, 28517859), (63, 22180557), (147, 9505953), (189, 7393519), (441, 3168651), (1323, 1056217)]