120645903

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{140123}}^1$

素因数の和:140174

約数の個数: 16

約数和(自身を含む): 188326656

約数和(自身を除く): 67680753

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 140123, 420369, 980861, 2942583, 5745043, 17235129, 40215301, 120645903]

約数ペア:

[(1, 120645903), (3, 40215301), (7, 17235129), (21, 5745043), (41, 2942583), (123, 980861), (287, 420369), (861, 140123)]