15321717

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 40

約数和(自身を含む): 24149664

約数和(自身を除く): 8827947

約数列:

[1, 3, 9, 27, 43, 53, 81, 83, 129, 159, 249, 387, 477, 747, 1161, 1431, 2241, 2279, 3483, 3569, 4293, 4399, 6723, 6837, 10707, 13197, 20511, 32121, 39591, 61533, 96363, 118773, 184599, 189157, 289089, 356319, 567471, 1702413, 5107239, 15321717]

約数ペア:

[(1, 15321717), (3, 5107239), (9, 1702413), (27, 567471), (43, 356319), (53, 289089), (81, 189157), (83, 184599), (129, 118773), (159, 96363), (249, 61533), (387, 39591), (477, 32121), (747, 20511), (1161, 13197), (1431, 10707), (2241, 6837), (2279, 6723), (3483, 4399), (3569, 4293)]