123891873

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3889}}^1$

素因数の和:3977

約数の個数: 32

約数和(自身を含む): 198670080

約数和(自身を除く): 74778207

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 777, 861, 1517, 3889, 4551, 10619, 11667, 27223, 31857, 81669, 143893, 159449, 431679, 478347, 1007251, 1116143, 3021753, 3348429, 5899613, 17698839, 41297291, 123891873]

約数ペア:

[(1, 123891873), (3, 41297291), (7, 17698839), (21, 5899613), (37, 3348429), (41, 3021753), (111, 1116143), (123, 1007251), (259, 478347), (287, 431679), (777, 159449), (861, 143893), (1517, 81669), (3889, 31857), (4551, 27223), (10619, 11667)]