12171885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 21565440

約数和(自身を除く): 9393555

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1039, 1065, 2343, 3117, 3905, 5195, 11429, 11715, 15585, 34287, 57145, 73769, 171435, 221307, 368845, 811459, 1106535, 2434377, 4057295, 12171885]

約数ペア:

[(1, 12171885), (3, 4057295), (5, 2434377), (11, 1106535), (15, 811459), (33, 368845), (55, 221307), (71, 171435), (165, 73769), (213, 57145), (355, 34287), (781, 15585), (1039, 11715), (1065, 11429), (2343, 5195), (3117, 3905)]