205444005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{81043}}^1$

素因数の和:81077

約数の個数: 24

約数和(自身を含む): 355945248

約数和(自身を除く): 150501243

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 81043, 243129, 405215, 1053559, 1215645, 3160677, 5267795, 13696267, 15803385, 41088801, 68481335, 205444005]

約数ペア:

[(1, 205444005), (3, 68481335), (5, 41088801), (13, 15803385), (15, 13696267), (39, 5267795), (65, 3160677), (169, 1215645), (195, 1053559), (507, 405215), (845, 243129), (2535, 81043)]