15997221

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5503}}^1$

素因数の和:5545

約数の個数: 24

約数和(自身を含む): 25758720

約数和(自身を除く): 9761499

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 5503, 16509, 49527, 93551, 104557, 280653, 313671, 841959, 941013, 1777469, 5332407, 15997221]

約数ペア:

[(1, 15997221), (3, 5332407), (9, 1777469), (17, 941013), (19, 841959), (51, 313671), (57, 280653), (153, 104557), (171, 93551), (323, 49527), (969, 16509), (2907, 5503)]