16285221

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 24186240

約数和(自身を除く): 7901019

約数列:

[1, 3, 9, 67, 113, 201, 239, 339, 603, 717, 1017, 2151, 7571, 16013, 22713, 27007, 48039, 68139, 81021, 144117, 243063, 1809469, 5428407, 16285221]

約数ペア:

[(1, 16285221), (3, 5428407), (9, 1809469), (67, 243063), (113, 144117), (201, 81021), (239, 68139), (339, 48039), (603, 27007), (717, 22713), (1017, 16013), (2151, 7571)]