78517131

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2251}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 131444736

約数和(自身を除く): 52927605

約数列:

[1, 3, 7, 11, 21, 33, 77, 151, 231, 453, 1057, 1661, 2251, 3171, 4983, 6753, 11627, 15757, 24761, 34881, 47271, 74283, 173327, 339901, 519981, 1019703, 2379307, 3738911, 7137921, 11216733, 26172377, 78517131]

約数ペア:

[(1, 78517131), (3, 26172377), (7, 11216733), (11, 7137921), (21, 3738911), (33, 2379307), (77, 1019703), (151, 519981), (231, 339901), (453, 173327), (1057, 74283), (1661, 47271), (2251, 34881), (3171, 24761), (4983, 15757), (6753, 11627)]