15991407

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5501}}^1$

素因数の和:5543

約数の個数: 24

約数和(自身を含む): 25749360

約数和(自身を除く): 9757953

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 5501, 16503, 49509, 93517, 104519, 280551, 313557, 841653, 940671, 1776823, 5330469, 15991407]

約数ペア:

[(1, 15991407), (3, 5330469), (9, 1776823), (17, 940671), (19, 841653), (51, 313557), (57, 280551), (153, 104519), (171, 93517), (323, 49509), (969, 16503), (2907, 5501)]