1520456847

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{22189}}^1$

素因数の和:22463

約数の個数: 32

約数和(自身を含む): 2505162240

約数和(自身を除く): 984705393

約数列:

[1, 3, 7, 13, 21, 39, 91, 251, 273, 753, 1757, 3263, 5271, 9789, 22189, 22841, 66567, 68523, 155323, 288457, 465969, 865371, 2019199, 5569439, 6057597, 16708317, 38986073, 72402707, 116958219, 217208121, 506818949, 1520456847]

約数ペア:

[(1, 1520456847), (3, 506818949), (7, 217208121), (13, 116958219), (21, 72402707), (39, 38986073), (91, 16708317), (251, 6057597), (273, 5569439), (753, 2019199), (1757, 865371), (3263, 465969), (5271, 288457), (9789, 155323), (22189, 68523), (22841, 66567)]