2121671655

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1423}}^1\times {\mathrm{1949}}^1$

素因数の和:3400

約数の個数: 48

約数和(自身を含む): 3898627200

約数和(自身を除く): 1776955545

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1423, 1949, 4269, 5847, 7115, 9745, 12807, 17541, 21345, 24191, 29235, 33133, 64035, 72573, 87705, 99399, 120955, 165665, 217719, 298197, 362865, 496995, 1088595, 1490985, 2773427, 8320281, 13867135, 24960843, 41601405, 47148259, 124804215, 141444777, 235741295, 424334331, 707223885, 2121671655]

約数ペア:

[(1, 2121671655), (3, 707223885), (5, 424334331), (9, 235741295), (15, 141444777), (17, 124804215), (45, 47148259), (51, 41601405), (85, 24960843), (153, 13867135), (255, 8320281), (765, 2773427), (1423, 1490985), (1949, 1088595), (4269, 496995), (5847, 362865), (7115, 298197), (9745, 217719), (12807, 165665), (17541, 120955), (21345, 99399), (24191, 87705), (29235, 72573), (33133, 64035)]