28439481

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^2$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 44344384

約数和(自身を除く): 15904903

約数列:

[1, 3, 7, 21, 61, 149, 183, 427, 447, 1043, 1281, 3129, 9089, 22201, 27267, 63623, 66603, 155407, 190869, 466221, 1354261, 4062783, 9479827, 28439481]

約数ペア:

[(1, 28439481), (3, 9479827), (7, 4062783), (21, 1354261), (61, 466221), (149, 190869), (183, 155407), (427, 66603), (447, 63623), (1043, 27267), (1281, 22201), (3129, 9089)]