156945131973

素因数分解:

$3^2\times 7^2\times {\mathrm{355884653}}^1$

素因数の和:355884673

約数の個数: 18

約数和(自身を含む): 263710528614

約数和(自身を除く): 106765396641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 355884653, 1067653959, 2491192571, 3202961877, 7473577713, 17438347997, 22420733139, 52315043991, 156945131973]

約数ペア:

[(1, 156945131973), (3, 52315043991), (7, 22420733139), (9, 17438347997), (21, 7473577713), (49, 3202961877), (63, 2491192571), (147, 1067653959), (441, 355884653)]