28472769

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81119}}^1$

素因数の和:81141

約数の個数: 16

約数和(自身を含む): 45427200

約数和(自身を除く): 16954431

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81119, 243357, 730071, 1054547, 2190213, 3163641, 9490923, 28472769]

約数ペア:

[(1, 28472769), (3, 9490923), (9, 3163641), (13, 2190213), (27, 1054547), (39, 730071), (117, 243357), (351, 81119)]