27784755

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 24746445

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 47, 87, 135, 141, 145, 151, 235, 261, 423, 435, 453, 705, 755, 783, 1269, 1305, 1359, 1363, 2115, 2265, 3915, 4077, 4089, 4379, 6345, 6795, 6815, 7097, 12267, 13137, 20385, 20445, 21291, 21895, 35485, 36801, 39411, 61335, 63873, 65685, 106455, 118233, 184005, 191619, 197055, 205813, 319365, 591165, 617439, 958095, 1029065, 1852317, 3087195, 5556951, 9261585, 27784755]

約数ペア:

[(1, 27784755), (3, 9261585), (5, 5556951), (9, 3087195), (15, 1852317), (27, 1029065), (29, 958095), (45, 617439), (47, 591165), (87, 319365), (135, 205813), (141, 197055), (145, 191619), (151, 184005), (235, 118233), (261, 106455), (423, 65685), (435, 63873), (453, 61335), (705, 39411), (755, 36801), (783, 35485), (1269, 21895), (1305, 21291), (1359, 20445), (1363, 20385), (2115, 13137), (2265, 12267), (3915, 7097), (4077, 6815), (4089, 6795), (4379, 6345)]