28752045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^2$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 54246528

約数和(自身を除く): 25494483

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 67, 105, 183, 201, 305, 335, 427, 469, 915, 1005, 1281, 1407, 2135, 2345, 4087, 4489, 6405, 7035, 12261, 13467, 20435, 22445, 28609, 31423, 61305, 67335, 85827, 94269, 143045, 157115, 273829, 429135, 471345, 821487, 1369145, 1916803, 4107435, 5750409, 9584015, 28752045]

約数ペア:

[(1, 28752045), (3, 9584015), (5, 5750409), (7, 4107435), (15, 1916803), (21, 1369145), (35, 821487), (61, 471345), (67, 429135), (105, 273829), (183, 157115), (201, 143045), (305, 94269), (335, 85827), (427, 67335), (469, 61305), (915, 31423), (1005, 28609), (1281, 22445), (1407, 20435), (2135, 13467), (2345, 12261), (4087, 7035), (4489, 6405)]