66749025

素因数分解:

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

素因数の和:511

約数の個数: 72

約数和(自身を含む): 131804064

約数和(自身を除く): 65055039

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 49, 75, 105, 123, 147, 175, 205, 245, 287, 443, 525, 615, 735, 861, 1025, 1225, 1329, 1435, 2009, 2215, 3075, 3101, 3675, 4305, 6027, 6645, 7175, 9303, 10045, 11075, 15505, 18163, 21525, 21707, 30135, 33225, 46515, 50225, 54489, 65121, 77525, 90815, 108535, 127141, 150675, 232575, 272445, 325605, 381423, 454075, 542675, 635705, 889987, 1362225, 1628025, 1907115, 2669961, 3178525, 4449935, 9535575, 13349805, 22249675, 66749025]

約数ペア:

[(1, 66749025), (3, 22249675), (5, 13349805), (7, 9535575), (15, 4449935), (21, 3178525), (25, 2669961), (35, 1907115), (41, 1628025), (49, 1362225), (75, 889987), (105, 635705), (123, 542675), (147, 454075), (175, 381423), (205, 325605), (245, 272445), (287, 232575), (443, 150675), (525, 127141), (615, 108535), (735, 90815), (861, 77525), (1025, 65121), (1225, 54489), (1329, 50225), (1435, 46515), (2009, 33225), (2215, 30135), (3075, 21707), (3101, 21525), (3675, 18163), (4305, 15505), (6027, 11075), (6645, 10045), (7175, 9303)]