30610881

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 53913600

約数和(自身を除く): 23302719

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 107, 133, 171, 239, 321, 399, 717, 749, 963, 1197, 1673, 2033, 2151, 2247, 4541, 5019, 6099, 6741, 13623, 14231, 15057, 18297, 25573, 31787, 40869, 42693, 76719, 95361, 128079, 179011, 230157, 286083, 485887, 537033, 1457661, 1611099, 3401209, 4372983, 10203627, 30610881]

約数ペア:

[(1, 30610881), (3, 10203627), (7, 4372983), (9, 3401209), (19, 1611099), (21, 1457661), (57, 537033), (63, 485887), (107, 286083), (133, 230157), (171, 179011), (239, 128079), (321, 95361), (399, 76719), (717, 42693), (749, 40869), (963, 31787), (1197, 25573), (1673, 18297), (2033, 15057), (2151, 14231), (2247, 13623), (4541, 6741), (5019, 6099)]