87878427

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{863}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 144764928

約数和(自身を除く): 56886501

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 373, 863, 1119, 2589, 2611, 4849, 6041, 7833, 11219, 14547, 18123, 33657, 33943, 78533, 101829, 235599, 321899, 965697, 2253293, 4184687, 6759879, 12554061, 29292809, 87878427]

約数ペア:

[(1, 87878427), (3, 29292809), (7, 12554061), (13, 6759879), (21, 4184687), (39, 2253293), (91, 965697), (273, 321899), (373, 235599), (863, 101829), (1119, 78533), (2589, 33943), (2611, 33657), (4849, 18123), (6041, 14547), (7833, 11219)]