142725915

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7717}}^1$

素因数の和:7868

約数の個数: 32

約数和(自身を含む): 255620160

約数和(自身を除く): 112894245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 1233, 2055, 3699, 6165, 7717, 18495, 23151, 38585, 69453, 115755, 208359, 347265, 1041795, 1057229, 3171687, 5286145, 9515061, 15858435, 28545183, 47575305, 142725915]

約数ペア:

[(1, 142725915), (3, 47575305), (5, 28545183), (9, 15858435), (15, 9515061), (27, 5286145), (45, 3171687), (135, 1057229), (137, 1041795), (411, 347265), (685, 208359), (1233, 115755), (2055, 69453), (3699, 38585), (6165, 23151), (7717, 18495)]