17956965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 31401216

約数和(自身を除く): 13444251

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 1297, 2769, 3891, 4615, 6485, 13845, 16861, 19455, 50583, 84305, 92087, 252915, 276261, 460435, 1197131, 1381305, 3591393, 5985655, 17956965]

約数ペア:

[(1, 17956965), (3, 5985655), (5, 3591393), (13, 1381305), (15, 1197131), (39, 460435), (65, 276261), (71, 252915), (195, 92087), (213, 84305), (355, 50583), (923, 19455), (1065, 16861), (1297, 13845), (2769, 6485), (3891, 4615)]