825550551

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{1093}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 1438128640

約数和(自身を除く): 612578089

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 631, 1093, 1197, 1893, 3279, 4417, 5679, 7651, 9837, 11989, 13251, 20767, 22953, 35967, 39753, 62301, 68859, 83923, 107901, 145369, 186903, 251769, 436107, 689683, 755307, 1308321, 2069049, 4827781, 6207147, 13103977, 14483343, 39311931, 43450029, 91727839, 117935793, 275183517, 825550551]

約数ペア:

[(1, 825550551), (3, 275183517), (7, 117935793), (9, 91727839), (19, 43450029), (21, 39311931), (57, 14483343), (63, 13103977), (133, 6207147), (171, 4827781), (399, 2069049), (631, 1308321), (1093, 755307), (1197, 689683), (1893, 436107), (3279, 251769), (4417, 186903), (5679, 145369), (7651, 107901), (9837, 83923), (11989, 68859), (13251, 62301), (20767, 39753), (22953, 35967)]