189820659

素因数分解:

$3^1\times 7^4\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 315885576

約数和(自身を除く): 126064917

約数列:

[1, 3, 7, 19, 21, 49, 57, 73, 133, 147, 219, 343, 361, 399, 511, 931, 1029, 1083, 1387, 1533, 2401, 2527, 2793, 3577, 4161, 6517, 7203, 7581, 9709, 10731, 17689, 19551, 25039, 26353, 29127, 45619, 53067, 67963, 75117, 79059, 123823, 136857, 175273, 184471, 203889, 371469, 475741, 525819, 553413, 866761, 1291297, 1427223, 2600283, 3330187, 3873891, 9039079, 9990561, 27117237, 63273553, 189820659]

約数ペア:

[(1, 189820659), (3, 63273553), (7, 27117237), (19, 9990561), (21, 9039079), (49, 3873891), (57, 3330187), (73, 2600283), (133, 1427223), (147, 1291297), (219, 866761), (343, 553413), (361, 525819), (399, 475741), (511, 371469), (931, 203889), (1029, 184471), (1083, 175273), (1387, 136857), (1533, 123823), (2401, 79059), (2527, 75117), (2793, 67963), (3577, 53067), (4161, 45619), (6517, 29127), (7203, 26353), (7581, 25039), (9709, 19551), (10731, 17689)]