16905315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{691}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 31090176

約数和(自身を除く): 14184861

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 233, 691, 699, 1165, 1631, 2073, 3455, 3495, 4837, 4893, 8155, 10365, 14511, 24185, 24465, 72555, 161003, 483009, 805015, 1127021, 2415045, 3381063, 5635105, 16905315]

約数ペア:

[(1, 16905315), (3, 5635105), (5, 3381063), (7, 2415045), (15, 1127021), (21, 805015), (35, 483009), (105, 161003), (233, 72555), (691, 24465), (699, 24185), (1165, 14511), (1631, 10365), (2073, 8155), (3455, 4893), (3495, 4837)]