28163577

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 43327872

約数和(自身を除く): 15164295

約数列:

[1, 3, 13, 17, 39, 51, 107, 221, 321, 397, 663, 1191, 1391, 1819, 4173, 5161, 5457, 6749, 15483, 20247, 23647, 42479, 70941, 87737, 127437, 263211, 552227, 722143, 1656681, 2166429, 9387859, 28163577]

約数ペア:

[(1, 28163577), (3, 9387859), (13, 2166429), (17, 1656681), (39, 722143), (51, 552227), (107, 263211), (221, 127437), (321, 87737), (397, 70941), (663, 42479), (1191, 23647), (1391, 20247), (1819, 15483), (4173, 6749), (5161, 5457)]