1205385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 2125440

約数和(自身を除く): 920055

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 163, 255, 435, 489, 493, 815, 1479, 2445, 2465, 2771, 4727, 7395, 8313, 13855, 14181, 23635, 41565, 70905, 80359, 241077, 401795, 1205385]

約数ペア:

[(1, 1205385), (3, 401795), (5, 241077), (15, 80359), (17, 70905), (29, 41565), (51, 23635), (85, 14181), (87, 13855), (145, 8313), (163, 7395), (255, 4727), (435, 2771), (489, 2465), (493, 2445), (815, 1479)]