291207357

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{8389}}^1$

素因数の和:8450

約数の個数: 48

約数和(自身を含む): 523536000

約数和(自身を除く): 232328643

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 609, 1197, 1653, 1827, 3857, 4959, 8389, 11571, 25167, 34713, 58723, 75501, 159391, 176169, 243281, 478173, 528507, 729843, 1115737, 1434519, 1702967, 2189529, 3347211, 4622339, 5108901, 10041633, 13867017, 15326703, 32356373, 41601051, 97069119, 291207357]

約数ペア:

[(1, 291207357), (3, 97069119), (7, 41601051), (9, 32356373), (19, 15326703), (21, 13867017), (29, 10041633), (57, 5108901), (63, 4622339), (87, 3347211), (133, 2189529), (171, 1702967), (203, 1434519), (261, 1115737), (399, 729843), (551, 528507), (609, 478173), (1197, 243281), (1653, 176169), (1827, 159391), (3857, 75501), (4959, 58723), (8389, 34713), (11571, 25167)]