947202417

素因数分解:

$3^4\times 7^1\times {\mathrm{1670551}}^1$

素因数の和:1670570

約数の個数: 20

約数和(自身を含む): 1617094336

約数和(自身を除く): 669891919

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1670551, 5011653, 11693857, 15034959, 35081571, 45104877, 105244713, 135314631, 315734139, 947202417]

約数ペア:

[(1, 947202417), (3, 315734139), (7, 135314631), (9, 105244713), (21, 45104877), (27, 35081571), (63, 15034959), (81, 11693857), (189, 5011653), (567, 1670551)]