28324107

素因数分解:

$3^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 49612800

約数和(自身を除く): 21288693

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 147, 189, 237, 271, 441, 553, 711, 813, 1323, 1659, 1897, 2133, 2439, 3871, 4977, 5691, 7317, 11613, 13279, 14931, 17073, 21409, 34839, 39837, 51219, 64227, 104517, 119511, 149863, 192681, 358533, 449589, 578043, 1049041, 1348767, 3147123, 4046301, 9441369, 28324107]

約数ペア:

[(1, 28324107), (3, 9441369), (7, 4046301), (9, 3147123), (21, 1348767), (27, 1049041), (49, 578043), (63, 449589), (79, 358533), (147, 192681), (189, 149863), (237, 119511), (271, 104517), (441, 64227), (553, 51219), (711, 39837), (813, 34839), (1323, 21409), (1659, 17073), (1897, 14931), (2133, 13279), (2439, 11613), (3871, 7317), (4977, 5691)]