131473727

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 173988864

約数和(自身を除く): 42515137

約数列:

[1, 7, 11, 23, 61, 77, 161, 253, 427, 671, 1217, 1403, 1771, 4697, 8519, 9821, 13387, 15433, 27991, 74237, 93709, 108031, 195937, 307901, 519659, 816607, 1707451, 2155307, 5716249, 11952157, 18781961, 131473727]

約数ペア:

[(1, 131473727), (7, 18781961), (11, 11952157), (23, 5716249), (61, 2155307), (77, 1707451), (161, 816607), (253, 519659), (427, 307901), (671, 195937), (1217, 108031), (1403, 93709), (1771, 74237), (4697, 27991), (8519, 15433), (9821, 13387)]