20131275

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5711}}^1$

素因数の和:5771

約数の個数: 24

約数和(自身を含む): 33997824

約数和(自身を除く): 13866549

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5711, 17133, 28555, 85665, 142775, 268417, 428325, 805251, 1342085, 4026255, 6710425, 20131275]

約数ペア:

[(1, 20131275), (3, 6710425), (5, 4026255), (15, 1342085), (25, 805251), (47, 428325), (75, 268417), (141, 142775), (235, 85665), (705, 28555), (1175, 17133), (3525, 5711)]