15998421

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 21876480

約数和(自身を除く): 5878059

約数列:

[1, 3, 53, 159, 239, 421, 717, 1263, 12667, 22313, 38001, 66939, 100619, 301857, 5332807, 15998421]

約数ペア:

[(1, 15998421), (3, 5332807), (53, 301857), (159, 100619), (239, 66939), (421, 38001), (717, 22313), (1263, 12667)]