239490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{887}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 639360

約数和(自身を除く): 399870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 887, 1774, 2661, 4435, 5322, 7983, 8870, 13305, 15966, 23949, 26610, 39915, 47898, 79830, 119745, 239490]

約数ペア:

[(1, 239490), (2, 119745), (3, 79830), (5, 47898), (6, 39915), (9, 26610), (10, 23949), (15, 15966), (18, 13305), (27, 8870), (30, 7983), (45, 5322), (54, 4435), (90, 2661), (135, 1774), (270, 887)]