142191

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 24

約数和(自身を含む): 245024

約数和(自身を除く): 102833

約数列:

[1, 3, 7, 9, 21, 37, 61, 63, 111, 183, 259, 333, 427, 549, 777, 1281, 2257, 2331, 3843, 6771, 15799, 20313, 47397, 142191]

約数ペア:

[(1, 142191), (3, 47397), (7, 20313), (9, 15799), (21, 6771), (37, 3843), (61, 2331), (63, 2257), (111, 1281), (183, 777), (259, 549), (333, 427)]