11221905

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 18724608

約数和(自身を除く): 7502703

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 257, 355, 615, 771, 1065, 1285, 2911, 3855, 8733, 10537, 14555, 18247, 31611, 43665, 52685, 54741, 91235, 158055, 273705, 748127, 2244381, 3740635, 11221905]

約数ペア:

[(1, 11221905), (3, 3740635), (5, 2244381), (15, 748127), (41, 273705), (71, 158055), (123, 91235), (205, 54741), (213, 52685), (257, 43665), (355, 31611), (615, 18247), (771, 14555), (1065, 10537), (1285, 8733), (2911, 3855)]