105987721

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 130890240

約数和(自身を除く): 24902519

約数列:

[1, 7, 29, 37, 103, 137, 203, 259, 721, 959, 1073, 2987, 3811, 3973, 5069, 7511, 14111, 20909, 26677, 27811, 35483, 98777, 110519, 147001, 409219, 522107, 773633, 1029007, 2864533, 3654749, 15141103, 105987721]

約数ペア:

[(1, 105987721), (7, 15141103), (29, 3654749), (37, 2864533), (103, 1029007), (137, 773633), (203, 522107), (259, 409219), (721, 147001), (959, 110519), (1073, 98777), (2987, 35483), (3811, 27811), (3973, 26677), (5069, 20909), (7511, 14111)]