290291253

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{11927}}^1$

素因数の和:12017

約数の個数: 32

約数和(自身を含む): 473303040

約数和(自身を除く): 183011787

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 3477, 8113, 11927, 24339, 35781, 83489, 226613, 250467, 679839, 727547, 1586291, 2182641, 4758873, 5092829, 13823393, 15278487, 41470179, 96763751, 290291253]

約数ペア:

[(1, 290291253), (3, 96763751), (7, 41470179), (19, 15278487), (21, 13823393), (57, 5092829), (61, 4758873), (133, 2182641), (183, 1586291), (399, 727547), (427, 679839), (1159, 250467), (1281, 226613), (3477, 83489), (8113, 35781), (11927, 24339)]