217020141

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{68699}}^1$

素因数の和:68727

約数の個数: 24

約数和(自身を含む): 350095200

約数和(自身を除く): 133075059

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 68699, 206097, 618291, 893087, 1854873, 2679261, 5564619, 8037783, 16693857, 24113349, 72340047, 217020141]

約数ペア:

[(1, 217020141), (3, 72340047), (9, 24113349), (13, 16693857), (27, 8037783), (39, 5564619), (81, 2679261), (117, 1854873), (243, 893087), (351, 618291), (1053, 206097), (3159, 68699)]