28426755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14249}}^1$

素因数の和:14283

約数の個数: 32

約数和(自身を含む): 54720000

約数和(自身を除く): 26293245

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 14249, 42747, 71245, 99743, 213735, 270731, 299229, 498715, 812193, 1353655, 1496145, 1895117, 4060965, 5685351, 9475585, 28426755]

約数ペア:

[(1, 28426755), (3, 9475585), (5, 5685351), (7, 4060965), (15, 1895117), (19, 1496145), (21, 1353655), (35, 812193), (57, 498715), (95, 299229), (105, 270731), (133, 213735), (285, 99743), (399, 71245), (665, 42747), (1995, 14249)]