289908045

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{306781}}^1$

素因数の和:306802

約数の個数: 32

約数和(自身を含む): 589021440

約数和(自身を除く): 299113395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 306781, 920343, 1533905, 2147467, 2761029, 4601715, 6442401, 8283087, 10737335, 13805145, 19327203, 32212005, 41415435, 57981609, 96636015, 289908045]

約数ペア:

[(1, 289908045), (3, 96636015), (5, 57981609), (7, 41415435), (9, 32212005), (15, 19327203), (21, 13805145), (27, 10737335), (35, 8283087), (45, 6442401), (63, 4601715), (105, 2761029), (135, 2147467), (189, 1533905), (315, 920343), (945, 306781)]