27215505

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 50232000

約数和(自身を除く): 23016495

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 139, 171, 229, 285, 417, 687, 695, 855, 1145, 1251, 2061, 2085, 2641, 3435, 4351, 6255, 7923, 10305, 13053, 13205, 21755, 23769, 31831, 39159, 39615, 65265, 95493, 118845, 159155, 195795, 286479, 477465, 604789, 1432395, 1814367, 3023945, 5443101, 9071835, 27215505]

約数ペア:

[(1, 27215505), (3, 9071835), (5, 5443101), (9, 3023945), (15, 1814367), (19, 1432395), (45, 604789), (57, 477465), (95, 286479), (139, 195795), (171, 159155), (229, 118845), (285, 95493), (417, 65265), (687, 39615), (695, 39159), (855, 31831), (1145, 23769), (1251, 21755), (2061, 13205), (2085, 13053), (2641, 10305), (3435, 7923), (4351, 6255)]