81350529

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 119906304

約数和(自身を除く): 38555775

約数列:

[1, 3, 13, 39, 67, 163, 191, 201, 489, 573, 871, 2119, 2483, 2613, 6357, 7449, 10921, 12797, 31133, 32763, 38391, 93399, 141973, 166361, 404729, 425919, 499083, 1214187, 2085911, 6257733, 27116843, 81350529]

約数ペア:

[(1, 81350529), (3, 27116843), (13, 6257733), (39, 2085911), (67, 1214187), (163, 499083), (191, 425919), (201, 404729), (489, 166361), (573, 141973), (871, 93399), (2119, 38391), (2483, 32763), (2613, 31133), (6357, 12797), (7449, 10921)]