647232831

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^2\times {\mathrm{1297}}^1$

素因数の和:1488

約数の個数: 36

約数和(自身を含む): 1081420912

約数和(自身を除く): 434188081

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1297, 1869, 3891, 5607, 7921, 9079, 11673, 23763, 27237, 55447, 71289, 81711, 115433, 166341, 346299, 499023, 808031, 1038897, 2424093, 7272279, 10273537, 30820611, 71914759, 92461833, 215744277, 647232831]

約数ペア:

[(1, 647232831), (3, 215744277), (7, 92461833), (9, 71914759), (21, 30820611), (63, 10273537), (89, 7272279), (267, 2424093), (623, 1038897), (801, 808031), (1297, 499023), (1869, 346299), (3891, 166341), (5607, 115433), (7921, 81711), (9079, 71289), (11673, 55447), (23763, 27237)]