7897905

素因数分解:

$3^4\times 5^1\times {\mathrm{19501}}^1$

素因数の和:19518

約数の個数: 20

約数和(自身を含む): 14158452

約数和(自身を除く): 6260547

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 19501, 58503, 97505, 175509, 292515, 526527, 877545, 1579581, 2632635, 7897905]

約数ペア:

[(1, 7897905), (3, 2632635), (5, 1579581), (9, 877545), (15, 526527), (27, 292515), (45, 175509), (81, 97505), (135, 58503), (405, 19501)]