187440045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{56543}}^1$

素因数の和:56581

約数の個数: 32

約数和(自身を含む): 341978112

約数和(自身を除く): 154538067

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 56543, 169629, 282715, 735059, 848145, 961231, 2205177, 2883693, 3675295, 4806155, 11025885, 12496003, 14418465, 37488009, 62480015, 187440045]

約数ペア:

[(1, 187440045), (3, 62480015), (5, 37488009), (13, 14418465), (15, 12496003), (17, 11025885), (39, 4806155), (51, 3675295), (65, 2883693), (85, 2205177), (195, 961231), (221, 848145), (255, 735059), (663, 282715), (1105, 169629), (3315, 56543)]