251159805

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143111}}^1$

素因数の和:143138

約数の個数: 32

約数和(自身を含む): 480856320

約数和(自身を除く): 229696515

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 143111, 429333, 715555, 1287999, 1860443, 2146665, 3863997, 5581329, 6439995, 9302215, 16743987, 19319985, 27906645, 50231961, 83719935, 251159805]

約数ペア:

[(1, 251159805), (3, 83719935), (5, 50231961), (9, 27906645), (13, 19319985), (15, 16743987), (27, 9302215), (39, 6439995), (45, 5581329), (65, 3863997), (117, 2146665), (135, 1860443), (195, 1287999), (351, 715555), (585, 429333), (1755, 143111)]