9131555580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21741799}}^1$

素因数の和:21741818

約数の個数: 48

約数和(自身を含む): 29220979200

約数和(自身を除く): 20089423620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 21741799, 43483598, 65225397, 86967196, 108708995, 130450794, 152192593, 217417990, 260901588, 304385186, 326126985, 434835980, 456577779, 608770372, 652253970, 760962965, 913155558, 1304507940, 1521925930, 1826311116, 2282888895, 3043851860, 4565777790, 9131555580]

約数ペア:

[(1, 9131555580), (2, 4565777790), (3, 3043851860), (4, 2282888895), (5, 1826311116), (6, 1521925930), (7, 1304507940), (10, 913155558), (12, 760962965), (14, 652253970), (15, 608770372), (20, 456577779), (21, 434835980), (28, 326126985), (30, 304385186), (35, 260901588), (42, 217417990), (60, 152192593), (70, 130450794), (84, 108708995), (105, 86967196), (140, 65225397), (210, 43483598), (420, 21741799)]