505909089

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{276907}}^1$

素因数の和:276949

約数の個数: 24

約数和(自身を含む): 863952960

約数和(自身を除く): 358043871

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 276907, 830721, 1938349, 2492163, 5815047, 8030303, 17445141, 24090909, 56212121, 72272727, 168636363, 505909089]

約数ペア:

[(1, 505909089), (3, 168636363), (7, 72272727), (9, 56212121), (21, 24090909), (29, 17445141), (63, 8030303), (87, 5815047), (203, 2492163), (261, 1938349), (609, 830721), (1827, 276907)]