161875521

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 251277312

約数和(自身を除く): 89401791

約数列:

[1, 3, 9, 31, 43, 93, 103, 129, 131, 279, 309, 387, 393, 927, 1179, 1333, 3193, 3999, 4061, 4429, 5633, 9579, 11997, 12183, 13287, 13493, 16899, 28737, 36549, 39861, 40479, 50697, 121437, 137299, 174623, 411897, 418283, 523869, 580199, 1235691, 1254849, 1571607, 1740597, 3764547, 5221791, 17986169, 53958507, 161875521]

約数ペア:

[(1, 161875521), (3, 53958507), (9, 17986169), (31, 5221791), (43, 3764547), (93, 1740597), (103, 1571607), (129, 1254849), (131, 1235691), (279, 580199), (309, 523869), (387, 418283), (393, 411897), (927, 174623), (1179, 137299), (1333, 121437), (3193, 50697), (3999, 40479), (4061, 39861), (4429, 36549), (5633, 28737), (9579, 16899), (11997, 13493), (12183, 13287)]