156917817

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2539}}^1$

素因数の和:2667

約数の個数: 40

約数和(自身を含む): 270459200

約数和(自身を除く): 113541383

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 327, 567, 763, 981, 2289, 2539, 2943, 6867, 7617, 8829, 17773, 20601, 22851, 53319, 61803, 68553, 159957, 205659, 276751, 479871, 830253, 1439613, 1937257, 2490759, 5811771, 7472277, 17435313, 22416831, 52305939, 156917817]

約数ペア:

[(1, 156917817), (3, 52305939), (7, 22416831), (9, 17435313), (21, 7472277), (27, 5811771), (63, 2490759), (81, 1937257), (109, 1439613), (189, 830253), (327, 479871), (567, 276751), (763, 205659), (981, 159957), (2289, 68553), (2539, 61803), (2943, 53319), (6867, 22851), (7617, 20601), (8829, 17773)]