16921185

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 27907200

約数和(自身を除く): 10986015

約数列:

[1, 3, 5, 15, 67, 113, 149, 201, 335, 339, 447, 565, 745, 1005, 1695, 2235, 7571, 9983, 16837, 22713, 29949, 37855, 49915, 50511, 84185, 113565, 149745, 252555, 1128079, 3384237, 5640395, 16921185]

約数ペア:

[(1, 16921185), (3, 5640395), (5, 3384237), (15, 1128079), (67, 252555), (113, 149745), (149, 113565), (201, 84185), (335, 50511), (339, 49915), (447, 37855), (565, 29949), (745, 22713), (1005, 16837), (1695, 9983), (2235, 7571)]