131719203

素因数分解:

$3^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:475

約数の個数: 80

約数和(自身を含む): 250905600

約数和(自身を除く): 119186397

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 297, 343, 431, 441, 539, 567, 693, 891, 1029, 1293, 1323, 1617, 2079, 3017, 3087, 3773, 3879, 3969, 4741, 4851, 6237, 9051, 9261, 11319, 11637, 14223, 14553, 21119, 27153, 27783, 33187, 33957, 34911, 42669, 43659, 63357, 81459, 99561, 101871, 128007, 147833, 190071, 232309, 244377, 298683, 305613, 384021, 443499, 570213, 696927, 896049, 1330497, 1626163, 1710639, 2090781, 2688147, 3991491, 4878489, 6272343, 11974473, 14635467, 18817029, 43906401, 131719203]

約数ペア:

[(1, 131719203), (3, 43906401), (7, 18817029), (9, 14635467), (11, 11974473), (21, 6272343), (27, 4878489), (33, 3991491), (49, 2688147), (63, 2090781), (77, 1710639), (81, 1626163), (99, 1330497), (147, 896049), (189, 696927), (231, 570213), (297, 443499), (343, 384021), (431, 305613), (441, 298683), (539, 244377), (567, 232309), (693, 190071), (891, 147833), (1029, 128007), (1293, 101871), (1323, 99561), (1617, 81459), (2079, 63357), (3017, 43659), (3087, 42669), (3773, 34911), (3879, 33957), (3969, 33187), (4741, 27783), (4851, 27153), (6237, 21119), (9051, 14553), (9261, 14223), (11319, 11637)]