1278315

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 2410560

約数和(自身を除く): 1132245

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 557, 765, 1671, 2295, 2785, 5013, 8355, 9469, 15039, 25065, 28407, 47345, 75195, 85221, 142035, 255663, 426105, 1278315]

約数ペア:

[(1, 1278315), (3, 426105), (5, 255663), (9, 142035), (15, 85221), (17, 75195), (27, 47345), (45, 28407), (51, 25065), (85, 15039), (135, 9469), (153, 8355), (255, 5013), (459, 2785), (557, 2295), (765, 1671)]