28990695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4943}}^1$

素因数の和:4991

約数の個数: 32

約数和(自身を含む): 51259392

約数和(自身を除く): 22268697

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 4943, 5865, 14829, 24715, 74145, 84031, 113689, 252093, 341067, 420155, 568445, 1260465, 1705335, 1932713, 5798139, 9663565, 28990695]

約数ペア:

[(1, 28990695), (3, 9663565), (5, 5798139), (15, 1932713), (17, 1705335), (23, 1260465), (51, 568445), (69, 420155), (85, 341067), (115, 252093), (255, 113689), (345, 84031), (391, 74145), (1173, 24715), (1955, 14829), (4943, 5865)]