128792349

素因数分解:

$3^4\times 7^1\times {\mathrm{227147}}^1$

素因数の和:227166

約数の個数: 20

約数和(自身を含む): 219879264

約数和(自身を除く): 91086915

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 227147, 681441, 1590029, 2044323, 4770087, 6132969, 14310261, 18398907, 42930783, 128792349]

約数ペア:

[(1, 128792349), (3, 42930783), (7, 18398907), (9, 14310261), (21, 6132969), (27, 4770087), (63, 2044323), (81, 1590029), (189, 681441), (567, 227147)]