345647589

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{2557}}^1$

素因数の和:2765

約数の個数: 32

約数和(自身を含む): 543196416

約数和(自身を除く): 197548827

約数列:

[1, 3, 7, 21, 41, 123, 157, 287, 471, 861, 1099, 2557, 3297, 6437, 7671, 17899, 19311, 45059, 53697, 104837, 135177, 314511, 401449, 733859, 1204347, 2201577, 2810143, 8430429, 16459409, 49378227, 115215863, 345647589]

約数ペア:

[(1, 345647589), (3, 115215863), (7, 49378227), (21, 16459409), (41, 8430429), (123, 2810143), (157, 2201577), (287, 1204347), (471, 733859), (861, 401449), (1099, 314511), (2557, 135177), (3297, 104837), (6437, 53697), (7671, 45059), (17899, 19311)]