17216145

素因数分解:

$3^4\times 5^1\times {\mathrm{42509}}^1$

素因数の和:42526

約数の個数: 20

約数和(自身を含む): 30862260

約数和(自身を除く): 13646115

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 42509, 127527, 212545, 382581, 637635, 1147743, 1912905, 3443229, 5738715, 17216145]

約数ペア:

[(1, 17216145), (3, 5738715), (5, 3443229), (9, 1912905), (15, 1147743), (27, 637635), (45, 382581), (81, 212545), (135, 127527), (405, 42509)]