15209804985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1\times {\mathrm{25999}}^1$

素因数の和:26957

約数の個数: 32

約数和(自身を含む): 24930048000

約数和(自身を除く): 9720243015

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 907, 2721, 4535, 13605, 25999, 39001, 77997, 117003, 129995, 195005, 389985, 585015, 1117957, 3353871, 5589785, 16769355, 23581093, 70743279, 117905465, 353716395, 1013986999, 3041960997, 5069934995, 15209804985]

約数ペア:

[(1, 15209804985), (3, 5069934995), (5, 3041960997), (15, 1013986999), (43, 353716395), (129, 117905465), (215, 70743279), (645, 23581093), (907, 16769355), (2721, 5589785), (4535, 3353871), (13605, 1117957), (25999, 585015), (39001, 389985), (77997, 195005), (117003, 129995)]