2786961405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2719}}^1\times {\mathrm{2971}}^1$

素因数の和:5721

約数の個数: 32

約数和(自身を含む): 4656291840

約数和(自身を除く): 1869330435

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 2719, 2971, 8157, 8913, 13595, 14855, 40785, 44565, 62537, 68333, 187611, 204999, 312685, 341665, 938055, 1024995, 8078149, 24234447, 40390745, 121172235, 185797427, 557392281, 928987135, 2786961405]

約数ペア:

[(1, 2786961405), (3, 928987135), (5, 557392281), (15, 185797427), (23, 121172235), (69, 40390745), (115, 24234447), (345, 8078149), (2719, 1024995), (2971, 938055), (8157, 341665), (8913, 312685), (13595, 204999), (14855, 187611), (40785, 68333), (44565, 62537)]