668577

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 32

約数和(自身を含む): 1146880

約数和(自身を除く): 478303

約数列:

[1, 3, 7, 13, 21, 31, 39, 79, 91, 93, 217, 237, 273, 403, 553, 651, 1027, 1209, 1659, 2449, 2821, 3081, 7189, 7347, 8463, 17143, 21567, 31837, 51429, 95511, 222859, 668577]

約数ペア:

[(1, 668577), (3, 222859), (7, 95511), (13, 51429), (21, 31837), (31, 21567), (39, 17143), (79, 8463), (91, 7347), (93, 7189), (217, 3081), (237, 2821), (273, 2449), (403, 1659), (553, 1209), (651, 1027)]