81429138

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71807}}^1$

素因数の和:71828

約数の個数: 40

約数和(自身を含む): 208530432

約数和(自身を除く): 127101294

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 71807, 143614, 215421, 430842, 502649, 646263, 1005298, 1292526, 1507947, 1938789, 3015894, 3877578, 4523841, 5816367, 9047682, 11632734, 13571523, 27143046, 40714569, 81429138]

約数ペア:

[(1, 81429138), (2, 40714569), (3, 27143046), (6, 13571523), (7, 11632734), (9, 9047682), (14, 5816367), (18, 4523841), (21, 3877578), (27, 3015894), (42, 1938789), (54, 1507947), (63, 1292526), (81, 1005298), (126, 646263), (162, 502649), (189, 430842), (378, 215421), (567, 143614), (1134, 71807)]