40218687

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 65694720

約数和(自身を除く): 25476033

約数列:

[1, 3, 9, 19, 27, 31, 57, 81, 93, 171, 243, 279, 281, 513, 589, 837, 843, 1539, 1767, 2511, 2529, 4617, 5301, 5339, 7533, 7587, 8711, 15903, 16017, 22761, 26133, 47709, 48051, 68283, 78399, 143127, 144153, 165509, 235197, 432459, 496527, 705591, 1297377, 1489581, 2116773, 4468743, 13406229, 40218687]

約数ペア:

[(1, 40218687), (3, 13406229), (9, 4468743), (19, 2116773), (27, 1489581), (31, 1297377), (57, 705591), (81, 496527), (93, 432459), (171, 235197), (243, 165509), (279, 144153), (281, 143127), (513, 78399), (589, 68283), (837, 48051), (843, 47709), (1539, 26133), (1767, 22761), (2511, 16017), (2529, 15903), (4617, 8711), (5301, 7587), (5339, 7533)]