11865861

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 21565440

約数和(自身を除く): 9699579

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 431, 437, 483, 1197, 1293, 1311, 1449, 3017, 3059, 3879, 3933, 8189, 9051, 9177, 9913, 24567, 27153, 27531, 29739, 57323, 69391, 73701, 89217, 171969, 188347, 208173, 515907, 565041, 624519, 1318429, 1695123, 3955287, 11865861]

約数ペア:

[(1, 11865861), (3, 3955287), (7, 1695123), (9, 1318429), (19, 624519), (21, 565041), (23, 515907), (57, 208173), (63, 188347), (69, 171969), (133, 89217), (161, 73701), (171, 69391), (207, 57323), (399, 29739), (431, 27531), (437, 27153), (483, 24567), (1197, 9913), (1293, 9177), (1311, 9051), (1449, 8189), (3017, 3933), (3059, 3879)]