15420921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4513}}^1$

素因数の和:4600

約数の個数: 16

約数和(自身を含む): 22100544

約数和(自身を除く): 6679623

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 4513, 13539, 76721, 230163, 302371, 907113, 5140307, 15420921]

約数ペア:

[(1, 15420921), (3, 5140307), (17, 907113), (51, 302371), (67, 230163), (201, 76721), (1139, 13539), (3417, 4513)]