80821566

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{641441}}^1$

素因数の和:641456

約数の個数: 24

約数和(自身を含む): 200129904

約数和(自身を除く): 119308338

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 641441, 1282882, 1924323, 3848646, 4490087, 5772969, 8980174, 11545938, 13470261, 26940522, 40410783, 80821566]

約数ペア:

[(1, 80821566), (2, 40410783), (3, 26940522), (6, 13470261), (7, 11545938), (9, 8980174), (14, 5772969), (18, 4490087), (21, 3848646), (42, 1924323), (63, 1282882), (126, 641441)]