81228294

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{644669}}^1$

素因数の和:644684

約数の個数: 24

約数和(自身を含む): 201137040

約数和(自身を除く): 119908746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 644669, 1289338, 1934007, 3868014, 4512683, 5802021, 9025366, 11604042, 13538049, 27076098, 40614147, 81228294]

約数ペア:

[(1, 81228294), (2, 40614147), (3, 27076098), (6, 13538049), (7, 11604042), (9, 9025366), (14, 5802021), (18, 4512683), (21, 3868014), (42, 1934007), (63, 1289338), (126, 644669)]