138860997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{911}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 210124800

約数和(自身を除く): 71263803

約数列:

[1, 3, 11, 31, 33, 93, 149, 341, 447, 911, 1023, 1639, 2733, 4619, 4917, 10021, 13857, 28241, 30063, 50809, 84723, 135739, 152427, 310651, 407217, 931953, 1493129, 4207909, 4479387, 12623727, 46286999, 138860997]

約数ペア:

[(1, 138860997), (3, 46286999), (11, 12623727), (31, 4479387), (33, 4207909), (93, 1493129), (149, 931953), (341, 407217), (447, 310651), (911, 152427), (1023, 135739), (1639, 84723), (2733, 50809), (4619, 30063), (4917, 28241), (10021, 13857)]