386965485

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21881}}^1$

素因数の和:22026

約数の個数: 32

約数和(自身を含む): 693221760

約数和(自身を除く): 306256275

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1179, 1965, 3537, 5895, 17685, 21881, 65643, 109405, 196929, 328215, 590787, 984645, 2866411, 2953935, 8599233, 14332055, 25797699, 42996165, 77393097, 128988495, 386965485]

約数ペア:

[(1, 386965485), (3, 128988495), (5, 77393097), (9, 42996165), (15, 25797699), (27, 14332055), (45, 8599233), (131, 2953935), (135, 2866411), (393, 984645), (655, 590787), (1179, 328215), (1965, 196929), (3537, 109405), (5895, 65643), (17685, 21881)]