13349805

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 25510464

約数和(自身を除く): 12160659

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 105, 123, 147, 205, 245, 287, 443, 615, 735, 861, 1329, 1435, 2009, 2215, 3101, 4305, 6027, 6645, 9303, 10045, 15505, 18163, 21707, 30135, 46515, 54489, 65121, 90815, 108535, 127141, 272445, 325605, 381423, 635705, 889987, 1907115, 2669961, 4449935, 13349805]

約数ペア:

[(1, 13349805), (3, 4449935), (5, 2669961), (7, 1907115), (15, 889987), (21, 635705), (35, 381423), (41, 325605), (49, 272445), (105, 127141), (123, 108535), (147, 90815), (205, 65121), (245, 54489), (287, 46515), (443, 30135), (615, 21707), (735, 18163), (861, 15505), (1329, 10045), (1435, 9303), (2009, 6645), (2215, 6027), (3101, 4305)]