52720815

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{10247}}^1$

素因数の和:10276

約数の個数: 32

約数和(自身を含む): 98380800

約数和(自身を除く): 45659985

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 10247, 30741, 51235, 71729, 153705, 215187, 358645, 502103, 1075935, 1506309, 2510515, 3514721, 7531545, 10544163, 17573605, 52720815]

約数ペア:

[(1, 52720815), (3, 17573605), (5, 10544163), (7, 7531545), (15, 3514721), (21, 2510515), (35, 1506309), (49, 1075935), (105, 502103), (147, 358645), (245, 215187), (343, 153705), (735, 71729), (1029, 51235), (1715, 30741), (5145, 10247)]