278315307

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{4157}}^1$

素因数の和:4379

約数の個数: 24

約数和(自身を含む): 413837424

約数和(自身を除く): 135522117

約数列:

[1, 3, 9, 43, 129, 173, 387, 519, 1557, 4157, 7439, 12471, 22317, 37413, 66951, 178751, 536253, 719161, 1608759, 2157483, 6472449, 30923923, 92771769, 278315307]

約数ペア:

[(1, 278315307), (3, 92771769), (9, 30923923), (43, 6472449), (129, 2157483), (173, 1608759), (387, 719161), (519, 536253), (1557, 178751), (4157, 66951), (7439, 37413), (12471, 22317)]