208023705

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{51941}}^1$

素因数の和:52041

約数の個数: 24

約数和(自身を含む): 364632840

約数和(自身を除く): 156609135

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 51941, 155823, 259705, 467469, 779115, 2337345, 4622749, 13868247, 23113745, 41604741, 69341235, 208023705]

約数ペア:

[(1, 208023705), (3, 69341235), (5, 41604741), (9, 23113745), (15, 13868247), (45, 4622749), (89, 2337345), (267, 779115), (445, 467469), (801, 259705), (1335, 155823), (4005, 51941)]