2755515

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 5384448

約数和(自身を除く): 2628933

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 163, 245, 345, 483, 489, 735, 805, 815, 1127, 1141, 2415, 2445, 3381, 3423, 3749, 5635, 5705, 7987, 11247, 16905, 17115, 18745, 23961, 26243, 39935, 56235, 78729, 119805, 131215, 183701, 393645, 551103, 918505, 2755515]

約数ペア:

[(1, 2755515), (3, 918505), (5, 551103), (7, 393645), (15, 183701), (21, 131215), (23, 119805), (35, 78729), (49, 56235), (69, 39935), (105, 26243), (115, 23961), (147, 18745), (161, 17115), (163, 16905), (245, 11247), (345, 7987), (483, 5705), (489, 5635), (735, 3749), (805, 3423), (815, 3381), (1127, 2445), (1141, 2415)]