208518165

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 382164480

約数和(自身を除く): 173646315

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 151, 159, 193, 265, 453, 477, 579, 755, 795, 965, 1359, 1431, 1737, 2265, 2385, 2895, 4077, 5211, 6795, 7155, 8003, 8685, 10229, 20385, 24009, 26055, 29143, 30687, 40015, 51145, 72027, 87429, 92061, 120045, 145715, 153435, 216081, 262287, 276183, 360135, 437145, 460305, 786861, 1080405, 1311435, 1380915, 1544579, 3934305, 4633737, 7722895, 13901211, 23168685, 41703633, 69506055, 208518165]

約数ペア:

[(1, 208518165), (3, 69506055), (5, 41703633), (9, 23168685), (15, 13901211), (27, 7722895), (45, 4633737), (53, 3934305), (135, 1544579), (151, 1380915), (159, 1311435), (193, 1080405), (265, 786861), (453, 460305), (477, 437145), (579, 360135), (755, 276183), (795, 262287), (965, 216081), (1359, 153435), (1431, 145715), (1737, 120045), (2265, 92061), (2385, 87429), (2895, 72027), (4077, 51145), (5211, 40015), (6795, 30687), (7155, 29143), (8003, 26055), (8685, 24009), (10229, 20385)]