668413695

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{52363}}^1$

素因数の和:52431

約数の個数: 32

約数和(自身を含む): 1146143232

約数和(自身を除く): 477729537

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12765, 52363, 157089, 261815, 785445, 1204349, 1937431, 3613047, 5812293, 6021745, 9687155, 18065235, 29061465, 44560913, 133682739, 222804565, 668413695]

約数ペア:

[(1, 668413695), (3, 222804565), (5, 133682739), (15, 44560913), (23, 29061465), (37, 18065235), (69, 9687155), (111, 6021745), (115, 5812293), (185, 3613047), (345, 1937431), (555, 1204349), (851, 785445), (2553, 261815), (4255, 157089), (12765, 52363)]