213390165

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{33791}}^1$

素因数の和:34220

約数の個数: 16

約数和(自身を含む): 342245376

約数和(自身を除く): 128855211

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 6315, 33791, 101373, 168955, 506865, 14226011, 42678033, 71130055, 213390165]

約数ペア:

[(1, 213390165), (3, 71130055), (5, 42678033), (15, 14226011), (421, 506865), (1263, 168955), (2105, 101373), (6315, 33791)]