71316615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1877}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 121694400

約数和(自身を除く): 50377785

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 255, 447, 745, 1877, 2235, 2533, 5631, 7599, 9385, 12665, 28155, 31909, 37995, 95727, 159545, 279673, 478635, 839019, 1398365, 4195095, 4754441, 14263323, 23772205, 71316615]

約数ペア:

[(1, 71316615), (3, 23772205), (5, 14263323), (15, 4754441), (17, 4195095), (51, 1398365), (85, 839019), (149, 478635), (255, 279673), (447, 159545), (745, 95727), (1877, 37995), (2235, 31909), (2533, 28155), (5631, 12665), (7599, 9385)]