72217971

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4567}}^1$

素因数の和:4831

約数の個数: 24

約数和(自身を含む): 119718144

約数和(自身を除く): 47500173

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 1757, 2259, 4567, 5271, 13701, 15813, 31969, 41103, 95907, 287721, 1146317, 3438951, 8024219, 10316853, 24072657, 72217971]

約数ペア:

[(1, 72217971), (3, 24072657), (7, 10316853), (9, 8024219), (21, 3438951), (63, 1146317), (251, 287721), (753, 95907), (1757, 41103), (2259, 31969), (4567, 15813), (5271, 13701)]