15903321

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 25067520

約数和(自身を除く): 9164199

約数列:

[1, 3, 7, 21, 67, 89, 127, 201, 267, 381, 469, 623, 889, 1407, 1869, 2667, 5963, 8509, 11303, 17889, 25527, 33909, 41741, 59563, 79121, 125223, 178689, 237363, 757301, 2271903, 5301107, 15903321]

約数ペア:

[(1, 15903321), (3, 5301107), (7, 2271903), (21, 757301), (67, 237363), (89, 178689), (127, 125223), (201, 79121), (267, 59563), (381, 41741), (469, 33909), (623, 25527), (889, 17889), (1407, 11303), (1869, 8509), (2667, 5963)]