993303549

素因数分解:

$3^2\times 7^2\times {\mathrm{2252389}}^1$

素因数の和:2252409

約数の個数: 18

約数和(自身を含む): 1669020990

約数和(自身を除く): 675717441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2252389, 6757167, 15766723, 20271501, 47300169, 110367061, 141900507, 331101183, 993303549]

約数ペア:

[(1, 993303549), (3, 331101183), (7, 141900507), (9, 110367061), (21, 47300169), (49, 20271501), (63, 15766723), (147, 6757167), (441, 2252389)]