215979129

素因数分解:

$3^5\times {\mathrm{281}}^1\times {\mathrm{3163}}^1$

素因数の和:3459

約数の個数: 24

約数和(自身を含む): 324778272

約数和(自身を除く): 108799143

約数列:

[1, 3, 9, 27, 81, 243, 281, 843, 2529, 3163, 7587, 9489, 22761, 28467, 68283, 85401, 256203, 768609, 888803, 2666409, 7999227, 23997681, 71993043, 215979129]

約数ペア:

[(1, 215979129), (3, 71993043), (9, 23997681), (27, 7999227), (81, 2666409), (243, 888803), (281, 768609), (843, 256203), (2529, 85401), (3163, 68283), (7587, 28467), (9489, 22761)]