222021009

素因数分解:

$3^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{2089}}^1$

素因数の和:2350

約数の個数: 36

約数和(自身を含む): 374782980

約数和(自身を除く): 152761971

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 241, 441, 723, 1687, 2089, 2169, 5061, 6267, 11809, 14623, 15183, 18801, 35427, 43869, 102361, 106281, 131607, 307083, 503449, 921249, 1510347, 3524143, 4531041, 10572429, 24669001, 31717287, 74007003, 222021009]

約数ペア:

[(1, 222021009), (3, 74007003), (7, 31717287), (9, 24669001), (21, 10572429), (49, 4531041), (63, 3524143), (147, 1510347), (241, 921249), (441, 503449), (723, 307083), (1687, 131607), (2089, 106281), (2169, 102361), (5061, 43869), (6267, 35427), (11809, 18801), (14623, 15183)]