26906985

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{9491}}^1$

素因数の和:9515

約数の個数: 40

約数和(自身を含む): 55129536

約数和(自身を除く): 28222551

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 9491, 28473, 47455, 66437, 85419, 142365, 199311, 256257, 332185, 427095, 597933, 768771, 996555, 1281285, 1793799, 2989665, 3843855, 5381397, 8968995, 26906985]

約数ペア:

[(1, 26906985), (3, 8968995), (5, 5381397), (7, 3843855), (9, 2989665), (15, 1793799), (21, 1281285), (27, 996555), (35, 768771), (45, 597933), (63, 427095), (81, 332185), (105, 256257), (135, 199311), (189, 142365), (315, 85419), (405, 66437), (567, 47455), (945, 28473), (2835, 9491)]