280132293

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{1933}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 437671936

約数和(自身を除く): 157539643

約数列:

[1, 3, 7, 21, 67, 103, 201, 309, 469, 721, 1407, 1933, 2163, 5799, 6901, 13531, 20703, 40593, 48307, 129511, 144921, 199099, 388533, 597297, 906577, 1393693, 2719731, 4181079, 13339633, 40018899, 93377431, 280132293]

約数ペア:

[(1, 280132293), (3, 93377431), (7, 40018899), (21, 13339633), (67, 4181079), (103, 2719731), (201, 1393693), (309, 906577), (469, 597297), (721, 388533), (1407, 199099), (1933, 144921), (2163, 129511), (5799, 48307), (6901, 40593), (13531, 20703)]