8021637

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 13693680

約数和(自身を除く): 5672043

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 109, 111, 117, 153, 221, 327, 333, 481, 629, 663, 981, 1417, 1443, 1853, 1887, 1989, 4033, 4251, 4329, 5559, 5661, 8177, 12099, 12753, 16677, 24089, 24531, 36297, 52429, 68561, 72267, 73593, 157287, 205683, 216801, 471861, 617049, 891293, 2673879, 8021637]

約数ペア:

[(1, 8021637), (3, 2673879), (9, 891293), (13, 617049), (17, 471861), (37, 216801), (39, 205683), (51, 157287), (109, 73593), (111, 72267), (117, 68561), (153, 52429), (221, 36297), (327, 24531), (333, 24089), (481, 16677), (629, 12753), (663, 12099), (981, 8177), (1417, 5661), (1443, 5559), (1853, 4329), (1887, 4251), (1989, 4033)]