11911815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 22845888

約数和(自身を除く): 10934073

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 677, 765, 1035, 1173, 1955, 2031, 3385, 3519, 5865, 6093, 10155, 11509, 15571, 17595, 30465, 34527, 46713, 57545, 77855, 103581, 140139, 172635, 233565, 264707, 517905, 700695, 794121, 1323535, 2382363, 3970605, 11911815]

約数ペア:

[(1, 11911815), (3, 3970605), (5, 2382363), (9, 1323535), (15, 794121), (17, 700695), (23, 517905), (45, 264707), (51, 233565), (69, 172635), (85, 140139), (115, 103581), (153, 77855), (207, 57545), (255, 46713), (345, 34527), (391, 30465), (677, 17595), (765, 15571), (1035, 11509), (1173, 10155), (1955, 6093), (2031, 5865), (3385, 3519)]