279202221

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{149867}}^1$

素因数の和:149902

約数の個数: 20

約数和(自身を含む): 435216672

約数和(自身を除く): 156014451

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 149867, 449601, 1348803, 3446941, 4046409, 10340823, 12139227, 31022469, 93067407, 279202221]

約数ペア:

[(1, 279202221), (3, 93067407), (9, 31022469), (23, 12139227), (27, 10340823), (69, 4046409), (81, 3446941), (207, 1348803), (621, 449601), (1863, 149867)]