12655881

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 22422400

約数和(自身を除く): 9766519

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 97, 109, 133, 171, 291, 327, 399, 679, 763, 873, 981, 1197, 1843, 2037, 2071, 2289, 5529, 6111, 6213, 6867, 10573, 12901, 14497, 16587, 18639, 31719, 38703, 43491, 74011, 95157, 116109, 130473, 200887, 222033, 602661, 666099, 1406209, 1807983, 4218627, 12655881]

約数ペア:

[(1, 12655881), (3, 4218627), (7, 1807983), (9, 1406209), (19, 666099), (21, 602661), (57, 222033), (63, 200887), (97, 130473), (109, 116109), (133, 95157), (171, 74011), (291, 43491), (327, 38703), (399, 31719), (679, 18639), (763, 16587), (873, 14497), (981, 12901), (1197, 10573), (1843, 6867), (2037, 6213), (2071, 6111), (2289, 5529)]