77825727

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 132268032

約数和(自身を除く): 54442305

約数列:

[1, 3, 7, 9, 21, 63, 71, 127, 137, 213, 381, 411, 497, 639, 889, 959, 1143, 1233, 1491, 2667, 2877, 4473, 8001, 8631, 9017, 9727, 17399, 27051, 29181, 52197, 63119, 68089, 81153, 87543, 121793, 156591, 189357, 204267, 365379, 568071, 612801, 1096137, 1235329, 3705987, 8647303, 11117961, 25941909, 77825727]

約数ペア:

[(1, 77825727), (3, 25941909), (7, 11117961), (9, 8647303), (21, 3705987), (63, 1235329), (71, 1096137), (127, 612801), (137, 568071), (213, 365379), (381, 204267), (411, 189357), (497, 156591), (639, 121793), (889, 87543), (959, 81153), (1143, 68089), (1233, 63119), (1491, 52197), (2667, 29181), (2877, 27051), (4473, 17399), (8001, 9727), (8631, 9017)]