28810605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 50246784

約数和(自身を除く): 21436179

約数列:

[1, 3, 5, 15, 23, 37, 61, 69, 111, 115, 183, 185, 305, 345, 555, 851, 915, 1369, 1403, 2257, 2553, 4107, 4209, 4255, 6771, 6845, 7015, 11285, 12765, 20535, 21045, 31487, 33855, 51911, 83509, 94461, 155733, 157435, 250527, 259555, 417545, 472305, 778665, 1252635, 1920707, 5762121, 9603535, 28810605]

約数ペア:

[(1, 28810605), (3, 9603535), (5, 5762121), (15, 1920707), (23, 1252635), (37, 778665), (61, 472305), (69, 417545), (111, 259555), (115, 250527), (183, 157435), (185, 155733), (305, 94461), (345, 83509), (555, 51911), (851, 33855), (915, 31487), (1369, 21045), (1403, 20535), (2257, 12765), (2553, 11285), (4107, 7015), (4209, 6845), (4255, 6771)]