221738229

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{21221}}^1$

素因数の和:21279

約数の個数: 24

約数和(自身を含む): 339891552

約数和(自身を除く): 118153323

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 1161, 3483, 10449, 21221, 63663, 190989, 572967, 912503, 1718901, 2737509, 5156703, 8212527, 24637581, 73912743, 221738229]

約数ペア:

[(1, 221738229), (3, 73912743), (9, 24637581), (27, 8212527), (43, 5156703), (81, 2737509), (129, 1718901), (243, 912503), (387, 572967), (1161, 190989), (3483, 63663), (10449, 21221)]