209711145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{22441}}^1$

素因数の和:22545

約数の個数: 32

約数和(自身を含む): 387797760

約数和(自身を除く): 178086615

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 3115, 9345, 22441, 67323, 112205, 157087, 336615, 471261, 785435, 1997249, 2356305, 5991747, 9986245, 13980743, 29958735, 41942229, 69903715, 209711145]

約数ペア:

[(1, 209711145), (3, 69903715), (5, 41942229), (7, 29958735), (15, 13980743), (21, 9986245), (35, 5991747), (89, 2356305), (105, 1997249), (267, 785435), (445, 471261), (623, 336615), (1335, 157087), (1869, 112205), (3115, 67323), (9345, 22441)]