421099905

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{1097}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 682833024

約数和(自身を除く): 261733119

約数列:

[1, 3, 5, 15, 157, 163, 471, 489, 785, 815, 1097, 2355, 2445, 3291, 5485, 16455, 25591, 76773, 127955, 172229, 178811, 383865, 516687, 536433, 861145, 894055, 2583435, 2682165, 28073327, 84219981, 140366635, 421099905]

約数ペア:

[(1, 421099905), (3, 140366635), (5, 84219981), (15, 28073327), (157, 2682165), (163, 2583435), (471, 894055), (489, 861145), (785, 536433), (815, 516687), (1097, 383865), (2355, 178811), (2445, 172229), (3291, 127955), (5485, 76773), (16455, 25591)]