156917385

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 294658560

約数和(自身を除く): 137741175

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 97, 115, 135, 207, 291, 345, 485, 521, 621, 873, 1035, 1455, 1563, 2231, 2605, 2619, 3105, 4365, 4689, 6693, 7815, 11155, 11983, 13095, 14067, 20079, 23445, 33465, 35949, 50537, 59915, 60237, 70335, 100395, 107847, 151611, 179745, 252685, 301185, 323541, 454833, 539235, 758055, 1162351, 1364499, 1617705, 2274165, 3487053, 5811755, 6822495, 10461159, 17435265, 31383477, 52305795, 156917385]

約数ペア:

[(1, 156917385), (3, 52305795), (5, 31383477), (9, 17435265), (15, 10461159), (23, 6822495), (27, 5811755), (45, 3487053), (69, 2274165), (97, 1617705), (115, 1364499), (135, 1162351), (207, 758055), (291, 539235), (345, 454833), (485, 323541), (521, 301185), (621, 252685), (873, 179745), (1035, 151611), (1455, 107847), (1563, 100395), (2231, 70335), (2605, 60237), (2619, 59915), (3105, 50537), (4365, 35949), (4689, 33465), (6693, 23445), (7815, 20079), (11155, 14067), (11983, 13095)]