15893421

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 7330899

約数列:

[1, 3, 29, 31, 71, 83, 87, 93, 213, 249, 899, 2059, 2201, 2407, 2573, 2697, 5893, 6177, 6603, 7221, 7719, 17679, 63829, 74617, 170897, 182683, 191487, 223851, 512691, 548049, 5297807, 15893421]

約数ペア:

[(1, 15893421), (3, 5297807), (29, 548049), (31, 512691), (71, 223851), (83, 191487), (87, 182683), (93, 170897), (213, 74617), (249, 63829), (899, 17679), (2059, 7719), (2201, 7221), (2407, 6603), (2573, 6177), (2697, 5893)]