27390355

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 9105005

約数列:

[1, 5, 23, 29, 43, 115, 145, 191, 215, 667, 955, 989, 1247, 3335, 4393, 4945, 5539, 6235, 8213, 21965, 27695, 28681, 41065, 127397, 143405, 188899, 238177, 636985, 944495, 1190885, 5478071, 27390355]

約数ペア:

[(1, 27390355), (5, 5478071), (23, 1190885), (29, 944495), (43, 636985), (115, 238177), (145, 188899), (191, 143405), (215, 127397), (667, 41065), (955, 28681), (989, 27695), (1247, 21965), (3335, 8213), (4393, 6235), (4945, 5539)]