551465481

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{12917}}^1$

素因数の和:13053

約数の個数: 32

約数和(自身を含む): 892892160

約数和(自身を除く): 341426679

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 2033, 2247, 6099, 12917, 14231, 38751, 42693, 90419, 245423, 271257, 736269, 1382119, 1717961, 4146357, 5153883, 9674833, 26260261, 29024499, 78780783, 183821827, 551465481]

約数ペア:

[(1, 551465481), (3, 183821827), (7, 78780783), (19, 29024499), (21, 26260261), (57, 9674833), (107, 5153883), (133, 4146357), (321, 1717961), (399, 1382119), (749, 736269), (2033, 271257), (2247, 245423), (6099, 90419), (12917, 42693), (14231, 38751)]