72918105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19681}}^1$

素因数の和:19721

約数の個数: 32

約数和(自身を含む): 132263040

約数和(自身を除く): 59344935

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 19681, 59043, 98405, 255853, 295215, 373939, 767559, 1121817, 1279265, 1869695, 3837795, 4861207, 5609085, 14583621, 24306035, 72918105]

約数ペア:

[(1, 72918105), (3, 24306035), (5, 14583621), (13, 5609085), (15, 4861207), (19, 3837795), (39, 1869695), (57, 1279265), (65, 1121817), (95, 767559), (195, 373939), (247, 295215), (285, 255853), (741, 98405), (1235, 59043), (3705, 19681)]