68977153

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 83458944

約数和(自身を除く): 14481791

約数列:

[1, 7, 47, 49, 61, 329, 427, 491, 2303, 2867, 2989, 3437, 20069, 23077, 24059, 29951, 140483, 161539, 209657, 1130773, 1407697, 1467599, 9853879, 68977153]

約数ペア:

[(1, 68977153), (7, 9853879), (47, 1467599), (49, 1407697), (61, 1130773), (329, 209657), (427, 161539), (491, 140483), (2303, 29951), (2867, 24059), (2989, 23077), (3437, 20069)]