80900911

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 102558960

約数和(自身を除く): 21658049

約数列:

[1, 7, 13, 49, 89, 91, 623, 637, 1157, 1427, 4361, 8099, 9989, 18551, 56693, 69923, 127003, 129857, 889021, 908999, 1651039, 6223147, 11557273, 80900911]

約数ペア:

[(1, 80900911), (7, 11557273), (13, 6223147), (49, 1651039), (89, 908999), (91, 889021), (623, 129857), (637, 127003), (1157, 69923), (1427, 56693), (4361, 18551), (8099, 9989)]