391215747

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8807}}^1$

素因数の和:8907

約数の個数: 32

約数和(自身を含む): 603735552

約数和(自身を除く): 212519805

約数列:

[1, 3, 13, 17, 39, 51, 67, 201, 221, 663, 871, 1139, 2613, 3417, 8807, 14807, 26421, 44421, 114491, 149719, 343473, 449157, 590069, 1770207, 1946347, 5839041, 7670897, 10031173, 23012691, 30093519, 130405249, 391215747]

約数ペア:

[(1, 391215747), (3, 130405249), (13, 30093519), (17, 23012691), (39, 10031173), (51, 7670897), (67, 5839041), (201, 1946347), (221, 1770207), (663, 590069), (871, 449157), (1139, 343473), (2613, 149719), (3417, 114491), (8807, 44421), (14807, 26421)]