218369439

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{15061}}^1$

素因数の和:15252

約数の個数: 20

約数和(自身を含む): 328050360

約数和(自身を除く): 109680921

約数列:

[1, 3, 9, 27, 81, 179, 537, 1611, 4833, 14499, 15061, 45183, 135549, 406647, 1219941, 2695919, 8087757, 24263271, 72789813, 218369439]

約数ペア:

[(1, 218369439), (3, 72789813), (9, 24263271), (27, 8087757), (81, 2695919), (179, 1219941), (537, 406647), (1611, 135549), (4833, 45183), (14499, 15061)]