389634165

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{21067}}^1$

素因数の和:21218

約数の個数: 32

約数和(自身を含む): 697772160

約数和(自身を除く): 308137995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 1233, 2055, 3699, 6165, 18495, 21067, 63201, 105335, 189603, 316005, 568809, 948015, 2844045, 2886179, 8658537, 14430895, 25975611, 43292685, 77926833, 129878055, 389634165]

約数ペア:

[(1, 389634165), (3, 129878055), (5, 77926833), (9, 43292685), (15, 25975611), (27, 14430895), (45, 8658537), (135, 2886179), (137, 2844045), (411, 948015), (685, 568809), (1233, 316005), (2055, 189603), (3699, 105335), (6165, 63201), (18495, 21067)]