17207235

素因数分解:

$3^4\times 5^1\times {\mathrm{42487}}^1$

素因数の和:42504

約数の個数: 20

約数和(自身を含む): 30846288

約数和(自身を除く): 13639053

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 42487, 127461, 212435, 382383, 637305, 1147149, 1911915, 3441447, 5735745, 17207235]

約数ペア:

[(1, 17207235), (3, 5735745), (5, 3441447), (9, 1911915), (15, 1147149), (27, 637305), (45, 382383), (81, 212435), (135, 127461), (405, 42487)]