215511163

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{421}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 260168064

約数和(自身を除く): 44656901

約数列:

[1, 7, 31, 49, 217, 337, 421, 1519, 2359, 2947, 10447, 13051, 16513, 20629, 73129, 91357, 141877, 511903, 639499, 993139, 4398187, 6951973, 30787309, 215511163]

約数ペア:

[(1, 215511163), (7, 30787309), (31, 6951973), (49, 4398187), (217, 993139), (337, 639499), (421, 511903), (1519, 141877), (2359, 91357), (2947, 73129), (10447, 20629), (13051, 16513)]