1631205

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 2977920

約数和(自身を除く): 1346715

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 281, 387, 645, 843, 1161, 1405, 1935, 2529, 4215, 5805, 7587, 12083, 12645, 36249, 37935, 60415, 108747, 181245, 326241, 543735, 1631205]

約数ペア:

[(1, 1631205), (3, 543735), (5, 326241), (9, 181245), (15, 108747), (27, 60415), (43, 37935), (45, 36249), (129, 12645), (135, 12083), (215, 7587), (281, 5805), (387, 4215), (645, 2529), (843, 1935), (1161, 1405)]