1965287691

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{397751}}^1$

素因数の和:397824

約数の個数: 20

約数和(自身を含む): 2983935504

約数和(自身を除く): 1018647813

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 397751, 1193253, 3579759, 10739277, 24262811, 32217831, 72788433, 218365299, 655095897, 1965287691]

約数ペア:

[(1, 1965287691), (3, 655095897), (9, 218365299), (27, 72788433), (61, 32217831), (81, 24262811), (183, 10739277), (549, 3579759), (1647, 1193253), (4941, 397751)]