1900269

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 36

約数和(自身を含む): 3319680

約数和(自身を除く): 1419411

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 139, 147, 217, 279, 417, 441, 651, 973, 1251, 1519, 1953, 2919, 4309, 4557, 6811, 8757, 12927, 13671, 20433, 30163, 38781, 61299, 90489, 211141, 271467, 633423, 1900269]

約数ペア:

[(1, 1900269), (3, 633423), (7, 271467), (9, 211141), (21, 90489), (31, 61299), (49, 38781), (63, 30163), (93, 20433), (139, 13671), (147, 12927), (217, 8757), (279, 6811), (417, 4557), (441, 4309), (651, 2919), (973, 1953), (1251, 1519)]