28420455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5107}}^1$

素因数の和:5175

約数の個数: 32

約数和(自身を含む): 52959744

約数和(自身を除く): 24539289

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 5107, 5565, 15321, 25535, 35749, 76605, 107247, 178745, 270671, 536235, 812013, 1353355, 1894697, 4060065, 5684091, 9473485, 28420455]

約数ペア:

[(1, 28420455), (3, 9473485), (5, 5684091), (7, 4060065), (15, 1894697), (21, 1353355), (35, 812013), (53, 536235), (105, 270671), (159, 178745), (265, 107247), (371, 76605), (795, 35749), (1113, 25535), (1855, 15321), (5107, 5565)]