1291206231

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1061}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 2251100160

約数和(自身を除く): 959893929

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 137, 141, 189, 329, 411, 423, 959, 987, 1061, 1233, 1269, 2877, 2961, 3183, 3699, 6439, 7427, 8631, 8883, 9549, 19317, 22281, 25893, 28647, 45073, 49867, 57951, 66843, 135219, 145357, 149601, 173853, 200529, 349069, 405657, 436071, 448803, 1017499, 1047207, 1216971, 1308213, 1346409, 3052497, 3141621, 3924639, 6831779, 9157491, 9424863, 20495337, 27472473, 47822453, 61486011, 143467359, 184458033, 430402077, 1291206231]

約数ペア:

[(1, 1291206231), (3, 430402077), (7, 184458033), (9, 143467359), (21, 61486011), (27, 47822453), (47, 27472473), (63, 20495337), (137, 9424863), (141, 9157491), (189, 6831779), (329, 3924639), (411, 3141621), (423, 3052497), (959, 1346409), (987, 1308213), (1061, 1216971), (1233, 1047207), (1269, 1017499), (2877, 448803), (2961, 436071), (3183, 405657), (3699, 349069), (6439, 200529), (7427, 173853), (8631, 149601), (8883, 145357), (9549, 135219), (19317, 66843), (22281, 57951), (25893, 49867), (28647, 45073)]