16976421

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 32864832

約数和(自身を除く): 15888411

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 121, 131, 153, 187, 231, 357, 363, 393, 561, 693, 847, 917, 1071, 1089, 1179, 1309, 1441, 1683, 2057, 2227, 2541, 2751, 3927, 4323, 6171, 6681, 7623, 8253, 10087, 11781, 12969, 14399, 15589, 15851, 18513, 20043, 24497, 30261, 43197, 46767, 47553, 73491, 90783, 110957, 129591, 140301, 142659, 171479, 220473, 269467, 332871, 514437, 808401, 998613, 1543311, 1886269, 2425203, 5658807, 16976421]

約数ペア:

[(1, 16976421), (3, 5658807), (7, 2425203), (9, 1886269), (11, 1543311), (17, 998613), (21, 808401), (33, 514437), (51, 332871), (63, 269467), (77, 220473), (99, 171479), (119, 142659), (121, 140301), (131, 129591), (153, 110957), (187, 90783), (231, 73491), (357, 47553), (363, 46767), (393, 43197), (561, 30261), (693, 24497), (847, 20043), (917, 18513), (1071, 15851), (1089, 15589), (1179, 14399), (1309, 12969), (1441, 11781), (1683, 10087), (2057, 8253), (2227, 7623), (2541, 6681), (2751, 6171), (3927, 4323)]