643842105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 1147281408

約数和(自身を除く): 503439303

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 151, 255, 345, 391, 453, 727, 755, 1173, 1955, 2181, 2265, 2567, 3473, 3635, 5865, 7701, 10419, 10905, 12359, 12835, 16721, 17365, 37077, 38505, 50163, 52095, 59041, 61795, 83605, 109777, 177123, 185385, 250815, 284257, 295205, 329331, 548885, 852771, 885615, 1421285, 1646655, 1866209, 2524871, 4263855, 5598627, 7574613, 9331045, 12624355, 27993135, 37873065, 42922807, 128768421, 214614035, 643842105]

約数ペア:

[(1, 643842105), (3, 214614035), (5, 128768421), (15, 42922807), (17, 37873065), (23, 27993135), (51, 12624355), (69, 9331045), (85, 7574613), (115, 5598627), (151, 4263855), (255, 2524871), (345, 1866209), (391, 1646655), (453, 1421285), (727, 885615), (755, 852771), (1173, 548885), (1955, 329331), (2181, 295205), (2265, 284257), (2567, 250815), (3473, 185385), (3635, 177123), (5865, 109777), (7701, 83605), (10419, 61795), (10905, 59041), (12359, 52095), (12835, 50163), (16721, 38505), (17365, 37077)]