681511515

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{22481}}^1$

素因数の和:22579

約数の個数: 32

約数和(自身を含む): 1139567616

約数和(自身を除く): 458056101

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 2021, 6063, 10105, 22481, 30315, 67443, 112405, 337215, 966683, 1056607, 2900049, 3169821, 4833415, 5283035, 14500245, 15849105, 45434101, 136302303, 227170505, 681511515]

約数ペア:

[(1, 681511515), (3, 227170505), (5, 136302303), (15, 45434101), (43, 15849105), (47, 14500245), (129, 5283035), (141, 4833415), (215, 3169821), (235, 2900049), (645, 1056607), (705, 966683), (2021, 337215), (6063, 112405), (10105, 67443), (22481, 30315)]