28092975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 49234944

約数和(自身を除く): 21141969

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 281, 465, 645, 775, 843, 1075, 1333, 1405, 2325, 3225, 3999, 4215, 6665, 7025, 8711, 12083, 19995, 21075, 26133, 33325, 36249, 43555, 60415, 99975, 130665, 181245, 217775, 302075, 374573, 653325, 906225, 1123719, 1872865, 5618595, 9364325, 28092975]

約数ペア:

[(1, 28092975), (3, 9364325), (5, 5618595), (15, 1872865), (25, 1123719), (31, 906225), (43, 653325), (75, 374573), (93, 302075), (129, 217775), (155, 181245), (215, 130665), (281, 99975), (465, 60415), (645, 43555), (775, 36249), (843, 33325), (1075, 26133), (1333, 21075), (1405, 19995), (2325, 12083), (3225, 8711), (3999, 7025), (4215, 6665)]