218702985

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{10007}}^1$

素因数の和:10093

約数の個数: 32

約数和(自身を含む): 368934912

約数和(自身を除く): 150231927

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 1457, 4371, 7285, 10007, 21855, 30021, 50035, 150105, 310217, 470329, 930651, 1410987, 1551085, 2351645, 4653255, 7054935, 14580199, 43740597, 72900995, 218702985]

約数ペア:

[(1, 218702985), (3, 72900995), (5, 43740597), (15, 14580199), (31, 7054935), (47, 4653255), (93, 2351645), (141, 1551085), (155, 1410987), (235, 930651), (465, 470329), (705, 310217), (1457, 150105), (4371, 50035), (7285, 30021), (10007, 21855)]