28965495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 50500800

約数和(自身を除く): 21535305

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 195, 267, 445, 1157, 1335, 1669, 3471, 5007, 5785, 8345, 17355, 21697, 25035, 65091, 108485, 148541, 325455, 445623, 742705, 1931033, 2228115, 5793099, 9655165, 28965495]

約数ペア:

[(1, 28965495), (3, 9655165), (5, 5793099), (13, 2228115), (15, 1931033), (39, 742705), (65, 445623), (89, 325455), (195, 148541), (267, 108485), (445, 65091), (1157, 25035), (1335, 21697), (1669, 17355), (3471, 8345), (5007, 5785)]