279882

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 639360

約数和(自身を除く): 359478

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 73, 142, 146, 213, 219, 426, 438, 639, 657, 1278, 1314, 1917, 1971, 3834, 3942, 5183, 10366, 15549, 31098, 46647, 93294, 139941, 279882]

約数ペア:

[(1, 279882), (2, 139941), (3, 93294), (6, 46647), (9, 31098), (18, 15549), (27, 10366), (54, 5183), (71, 3942), (73, 3834), (142, 1971), (146, 1917), (213, 1314), (219, 1278), (426, 657), (438, 639)]