2784855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 4817664

約数和(自身を除く): 2032809

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 163, 201, 255, 335, 489, 815, 1005, 1139, 2445, 2771, 3417, 5695, 8313, 10921, 13855, 17085, 32763, 41565, 54605, 163815, 185657, 556971, 928285, 2784855]

約数ペア:

[(1, 2784855), (3, 928285), (5, 556971), (15, 185657), (17, 163815), (51, 54605), (67, 41565), (85, 32763), (163, 17085), (201, 13855), (255, 10921), (335, 8313), (489, 5695), (815, 3417), (1005, 2771), (1139, 2445)]