28459755

素因数分解:

$3^4\times 5^1\times {\mathrm{70271}}^1$

素因数の和:70288

約数の個数: 20

約数和(自身を含む): 51017472

約数和(自身を除く): 22557717

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70271, 210813, 351355, 632439, 1054065, 1897317, 3162195, 5691951, 9486585, 28459755]

約数ペア:

[(1, 28459755), (3, 9486585), (5, 5691951), (9, 3162195), (15, 1897317), (27, 1054065), (45, 632439), (81, 351355), (135, 210813), (405, 70271)]