19975095

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9059}}^1$

素因数の和:9084

約数の個数: 36

約数和(自身を含む): 40280760

約数和(自身を除く): 20305665

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9059, 27177, 45295, 63413, 81531, 135885, 190239, 317065, 407655, 443891, 570717, 951195, 1331673, 2219455, 2853585, 3995019, 6658365, 19975095]

約数ペア:

[(1, 19975095), (3, 6658365), (5, 3995019), (7, 2853585), (9, 2219455), (15, 1331673), (21, 951195), (35, 570717), (45, 443891), (49, 407655), (63, 317065), (105, 190239), (147, 135885), (245, 81531), (315, 63413), (441, 45295), (735, 27177), (2205, 9059)]