28407675

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 50041440

約数和(自身を除く): 21633765

約数列:

[1, 3, 5, 15, 25, 29, 37, 75, 87, 111, 145, 185, 353, 435, 555, 725, 925, 1059, 1073, 1765, 2175, 2775, 3219, 5295, 5365, 8825, 10237, 13061, 16095, 26475, 26825, 30711, 39183, 51185, 65305, 80475, 153555, 195915, 255925, 326525, 378769, 767775, 979575, 1136307, 1893845, 5681535, 9469225, 28407675]

約数ペア:

[(1, 28407675), (3, 9469225), (5, 5681535), (15, 1893845), (25, 1136307), (29, 979575), (37, 767775), (75, 378769), (87, 326525), (111, 255925), (145, 195915), (185, 153555), (353, 80475), (435, 65305), (555, 51185), (725, 39183), (925, 30711), (1059, 26825), (1073, 26475), (1765, 16095), (2175, 13061), (2775, 10237), (3219, 8825), (5295, 5365)]