12641517

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 22464000

約数和(自身を除く): 9822483

約数列:

[1, 3, 7, 9, 19, 21, 57, 59, 63, 133, 171, 177, 179, 399, 413, 531, 537, 1121, 1197, 1239, 1253, 1611, 3363, 3401, 3717, 3759, 7847, 10089, 10203, 10561, 11277, 23541, 23807, 30609, 31683, 70623, 71421, 73927, 95049, 200659, 214263, 221781, 601977, 665343, 1404613, 1805931, 4213839, 12641517]

約数ペア:

[(1, 12641517), (3, 4213839), (7, 1805931), (9, 1404613), (19, 665343), (21, 601977), (57, 221781), (59, 214263), (63, 200659), (133, 95049), (171, 73927), (177, 71421), (179, 70623), (399, 31683), (413, 30609), (531, 23807), (537, 23541), (1121, 11277), (1197, 10561), (1239, 10203), (1253, 10089), (1611, 7847), (3363, 3759), (3401, 3717)]