12161805

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 20697600

約数和(自身を除く): 8535795

約数列:

[1, 3, 5, 15, 19, 57, 95, 139, 285, 307, 417, 695, 921, 1535, 2085, 2641, 4605, 5833, 7923, 13205, 17499, 29165, 39615, 42673, 87495, 128019, 213365, 640095, 810787, 2432361, 4053935, 12161805]

約数ペア:

[(1, 12161805), (3, 4053935), (5, 2432361), (15, 810787), (19, 640095), (57, 213365), (95, 128019), (139, 87495), (285, 42673), (307, 39615), (417, 29165), (695, 17499), (921, 13205), (1535, 7923), (2085, 5833), (2641, 4605)]