68280165

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3181}}^1$

素因数の和:3251

約数の個数: 40

約数和(自身を含む): 124747128

約数和(自身を除く): 56466963

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 3181, 4293, 7155, 9543, 15905, 21465, 28629, 47715, 85887, 143145, 168593, 257661, 429435, 505779, 842965, 1288305, 1517337, 2528895, 4552011, 7586685, 13656033, 22760055, 68280165]

約数ペア:

[(1, 68280165), (3, 22760055), (5, 13656033), (9, 7586685), (15, 4552011), (27, 2528895), (45, 1517337), (53, 1288305), (81, 842965), (135, 505779), (159, 429435), (265, 257661), (405, 168593), (477, 143145), (795, 85887), (1431, 47715), (2385, 28629), (3181, 21465), (4293, 15905), (7155, 9543)]