201319185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{7243}}^1$

素因数の和:7377

約数の個数: 32

約数和(自身を含む): 344234880

約数和(自身を除く): 142915695

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 327, 545, 1635, 1853, 5559, 7243, 9265, 21729, 27795, 36215, 108645, 123131, 369393, 615655, 789487, 1846965, 2368461, 3947435, 11842305, 13421279, 40263837, 67106395, 201319185]

約数ペア:

[(1, 201319185), (3, 67106395), (5, 40263837), (15, 13421279), (17, 11842305), (51, 3947435), (85, 2368461), (109, 1846965), (255, 789487), (327, 615655), (545, 369393), (1635, 123131), (1853, 108645), (5559, 36215), (7243, 27795), (9265, 21729)]