987139545

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{1343047}}^1$

素因数の和:1343069

約数の個数: 24

約数和(自身を含む): 1837289664

約数和(自身を除く): 850150119

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 1343047, 4029141, 6715235, 9401329, 20145705, 28203987, 47006645, 65809303, 141019935, 197427909, 329046515, 987139545]

約数ペア:

[(1, 987139545), (3, 329046515), (5, 197427909), (7, 141019935), (15, 65809303), (21, 47006645), (35, 28203987), (49, 20145705), (105, 9401329), (147, 6715235), (245, 4029141), (735, 1343047)]