7288815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 12519936

約数和(自身を除く): 5231121

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 571, 851, 1713, 2553, 2855, 4255, 8565, 12765, 13133, 21127, 39399, 63381, 65665, 105635, 196995, 316905, 485921, 1457763, 2429605, 7288815]

約数ペア:

[(1, 7288815), (3, 2429605), (5, 1457763), (15, 485921), (23, 316905), (37, 196995), (69, 105635), (111, 65665), (115, 63381), (185, 39399), (345, 21127), (555, 13133), (571, 12765), (851, 8565), (1713, 4255), (2553, 2855)]