165945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 32

約数和(自身を含む): 306432

約数和(自身を除く): 140487

約数列:

[1, 3, 5, 13, 15, 23, 37, 39, 65, 69, 111, 115, 185, 195, 299, 345, 481, 555, 851, 897, 1443, 1495, 2405, 2553, 4255, 4485, 7215, 11063, 12765, 33189, 55315, 165945]

約数ペア:

[(1, 165945), (3, 55315), (5, 33189), (13, 12765), (15, 11063), (23, 7215), (37, 4485), (39, 4255), (65, 2553), (69, 2405), (111, 1495), (115, 1443), (185, 897), (195, 851), (299, 555), (345, 481)]