287890245

素因数分解:

$3^2\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{3847}}^1$

素因数の和:5521

約数の個数: 24

約数和(自身を含む): 499439616

約数和(自身を除く): 211549371

約数列:

[1, 3, 5, 9, 15, 45, 1663, 3847, 4989, 8315, 11541, 14967, 19235, 24945, 34623, 57705, 74835, 173115, 6397561, 19192683, 31987805, 57578049, 95963415, 287890245]

約数ペア:

[(1, 287890245), (3, 95963415), (5, 57578049), (9, 31987805), (15, 19192683), (45, 6397561), (1663, 173115), (3847, 74835), (4989, 57705), (8315, 34623), (11541, 24945), (14967, 19235)]