691997841

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{4211}}^1$

素因数の和:4298

約数の個数: 36

約数和(自身を含む): 1087454160

約数和(自身を除く): 395456319

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 961, 1767, 2883, 4211, 5301, 8649, 12633, 18259, 37899, 54777, 80009, 130541, 164331, 240027, 391623, 720081, 1174869, 2480279, 4046771, 7440837, 12140313, 22322511, 36420939, 76888649, 230665947, 691997841]

約数ペア:

[(1, 691997841), (3, 230665947), (9, 76888649), (19, 36420939), (31, 22322511), (57, 12140313), (93, 7440837), (171, 4046771), (279, 2480279), (589, 1174869), (961, 720081), (1767, 391623), (2883, 240027), (4211, 164331), (5301, 130541), (8649, 80009), (12633, 54777), (18259, 37899)]