28371165

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 46780416

約数和(自身を除く): 18409251

約数列:

[1, 3, 5, 15, 53, 127, 159, 265, 281, 381, 635, 795, 843, 1405, 1905, 4215, 6731, 14893, 20193, 33655, 35687, 44679, 74465, 100965, 107061, 178435, 223395, 535305, 1891411, 5674233, 9457055, 28371165]

約数ペア:

[(1, 28371165), (3, 9457055), (5, 5674233), (15, 1891411), (53, 535305), (127, 223395), (159, 178435), (265, 107061), (281, 100965), (381, 74465), (635, 44679), (795, 35687), (843, 33655), (1405, 20193), (1905, 14893), (4215, 6731)]