40007643

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 59496192

約数和(自身を除く): 19488549

約数列:

[1, 3, 13, 39, 61, 67, 183, 201, 251, 753, 793, 871, 2379, 2613, 3263, 4087, 9789, 12261, 15311, 16817, 45933, 50451, 53131, 159393, 199043, 218621, 597129, 655863, 1025837, 3077511, 13335881, 40007643]

約数ペア:

[(1, 40007643), (3, 13335881), (13, 3077511), (39, 1025837), (61, 655863), (67, 597129), (183, 218621), (201, 199043), (251, 159393), (753, 53131), (793, 50451), (871, 45933), (2379, 16817), (2613, 15311), (3263, 12261), (4087, 9789)]