27988815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2679

約数の個数: 32

約数和(自身を含む): 48254976

約数和(自身を除く): 20266161

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 2617, 3565, 7851, 10695, 13085, 39255, 60191, 81127, 180573, 243381, 300955, 405635, 902865, 1216905, 1865921, 5597763, 9329605, 27988815]

約数ペア:

[(1, 27988815), (3, 9329605), (5, 5597763), (15, 1865921), (23, 1216905), (31, 902865), (69, 405635), (93, 300955), (115, 243381), (155, 180573), (345, 81127), (465, 60191), (713, 39255), (2139, 13085), (2617, 10695), (3565, 7851)]