12860211

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 22555904

約数和(自身を除く): 9695693

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 163, 221, 273, 289, 357, 489, 663, 867, 1141, 1547, 2023, 2119, 2771, 3423, 3757, 4641, 6069, 6357, 8313, 11271, 14833, 19397, 26299, 36023, 44499, 47107, 58191, 78897, 108069, 141321, 252161, 329749, 612391, 756483, 989247, 1837173, 4286737, 12860211]

約数ペア:

[(1, 12860211), (3, 4286737), (7, 1837173), (13, 989247), (17, 756483), (21, 612391), (39, 329749), (51, 252161), (91, 141321), (119, 108069), (163, 78897), (221, 58191), (273, 47107), (289, 44499), (357, 36023), (489, 26299), (663, 19397), (867, 14833), (1141, 11271), (1547, 8313), (2023, 6357), (2119, 6069), (2771, 4641), (3423, 3757)]