172078179

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20333}}^1$

素因数の和:20387

約数の個数: 32

約数和(自身を含む): 291508224

約数和(自身を除く): 119430045

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 20333, 60999, 142331, 264329, 426993, 630323, 792987, 1850303, 1890969, 4412261, 5550909, 8194199, 13236783, 24582597, 57359393, 172078179]

約数ペア:

[(1, 172078179), (3, 57359393), (7, 24582597), (13, 13236783), (21, 8194199), (31, 5550909), (39, 4412261), (91, 1890969), (93, 1850303), (217, 792987), (273, 630323), (403, 426993), (651, 264329), (1209, 142331), (2821, 60999), (8463, 20333)]