161805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:105

約数の個数: 32

約数和(自身を含む): 313344

約数和(自身を除く): 151539

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 67, 69, 105, 115, 161, 201, 335, 345, 469, 483, 805, 1005, 1407, 1541, 2345, 2415, 4623, 7035, 7705, 10787, 23115, 32361, 53935, 161805]

約数ペア:

[(1, 161805), (3, 53935), (5, 32361), (7, 23115), (15, 10787), (21, 7705), (23, 7035), (35, 4623), (67, 2415), (69, 2345), (105, 1541), (115, 1407), (161, 1005), (201, 805), (335, 483), (345, 469)]