427997521

素因数分解:

$7^1\times {\mathrm{263}}^1\times {\mathrm{383}}^1\times {\mathrm{607}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 493092864

約数和(自身を除く): 65095343

約数列:

[1, 7, 263, 383, 607, 1841, 2681, 4249, 100729, 159641, 232481, 705103, 1117487, 1627367, 61142503, 427997521]

約数ペア:

[(1, 427997521), (7, 61142503), (263, 1627367), (383, 1117487), (607, 705103), (1841, 232481), (2681, 159641), (4249, 100729)]