1280821695

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{4547}}^1$

素因数の和:4855

約数の個数: 32

約数和(自身を含む): 2082620160

約数和(自身を除く): 801798465

約数列:

[1, 3, 5, 15, 89, 211, 267, 445, 633, 1055, 1335, 3165, 4547, 13641, 18779, 22735, 56337, 68205, 93895, 281685, 404683, 959417, 1214049, 2023415, 2878251, 4797085, 6070245, 14391255, 85388113, 256164339, 426940565, 1280821695]

約数ペア:

[(1, 1280821695), (3, 426940565), (5, 256164339), (15, 85388113), (89, 14391255), (211, 6070245), (267, 4797085), (445, 2878251), (633, 2023415), (1055, 1214049), (1335, 959417), (3165, 404683), (4547, 281685), (13641, 93895), (18779, 68205), (22735, 56337)]