215518923

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{17569}}^1$

素因数の和:17651

約数の個数: 24

約数和(自身を含む): 328910400

約数和(自身を除く): 113391477

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 4089, 12267, 17569, 52707, 158121, 509501, 825743, 1528503, 2477229, 4585509, 7431687, 23946547, 71839641, 215518923]

約数ペア:

[(1, 215518923), (3, 71839641), (9, 23946547), (29, 7431687), (47, 4585509), (87, 2477229), (141, 1528503), (261, 825743), (423, 509501), (1363, 158121), (4089, 52707), (12267, 17569)]