13040385

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 8732415

約数列:

[1, 3, 5, 15, 47, 53, 141, 159, 235, 265, 349, 705, 795, 1047, 1745, 2491, 5235, 7473, 12455, 16403, 18497, 37365, 49209, 55491, 82015, 92485, 246045, 277455, 869359, 2608077, 4346795, 13040385]

約数ペア:

[(1, 13040385), (3, 4346795), (5, 2608077), (15, 869359), (47, 277455), (53, 246045), (141, 92485), (159, 82015), (235, 55491), (265, 49209), (349, 37365), (705, 18497), (795, 16403), (1047, 12455), (1745, 7473), (2491, 5235)]