161566785

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{62989}}^1$

素因数の和:63022

約数の個数: 32

約数和(自身を含む): 302352000

約数和(自身を除く): 140785215

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 62989, 188967, 314945, 566901, 944835, 1196791, 1700703, 2834505, 3590373, 5983955, 8503515, 10771119, 17951865, 32313357, 53855595, 161566785]

約数ペア:

[(1, 161566785), (3, 53855595), (5, 32313357), (9, 17951865), (15, 10771119), (19, 8503515), (27, 5983955), (45, 3590373), (57, 2834505), (95, 1700703), (135, 1196791), (171, 944835), (285, 566901), (513, 314945), (855, 188967), (2565, 62989)]