18575109

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3389}}^1$

素因数の和:3434

約数の個数: 32

約数和(自身を含む): 32544000

約数和(自身を除く): 13968891

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 3389, 5481, 10167, 23723, 30501, 71169, 91503, 98281, 213507, 294843, 640521, 687967, 884529, 2063901, 2653587, 6191703, 18575109]

約数ペア:

[(1, 18575109), (3, 6191703), (7, 2653587), (9, 2063901), (21, 884529), (27, 687967), (29, 640521), (63, 294843), (87, 213507), (189, 98281), (203, 91503), (261, 71169), (609, 30501), (783, 23723), (1827, 10167), (3389, 5481)]