717274197

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{305353}}^1$

素因数の和:305394

約数の個数: 20

約数和(自身を含む): 1108435020

約数和(自身を除く): 391160823

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 305353, 916059, 2748177, 8244531, 8855237, 24733593, 26565711, 79697133, 239091399, 717274197]

約数ペア:

[(1, 717274197), (3, 239091399), (9, 79697133), (27, 26565711), (29, 24733593), (81, 8855237), (87, 8244531), (261, 2748177), (783, 916059), (2349, 305353)]