3321955

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 5040000

約数和(自身を除く): 1718045

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 149, 245, 343, 455, 637, 745, 1043, 1715, 1937, 3185, 4459, 5215, 7301, 9685, 13559, 22295, 36505, 51107, 67795, 94913, 255535, 474565, 664391, 3321955]

約数ペア:

[(1, 3321955), (5, 664391), (7, 474565), (13, 255535), (35, 94913), (49, 67795), (65, 51107), (91, 36505), (149, 22295), (245, 13559), (343, 9685), (455, 7301), (637, 5215), (745, 4459), (1043, 3185), (1715, 1937)]