28330755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{461}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 48299328

約数和(自身を除く): 19968573

約数列:

[1, 3, 5, 15, 17, 51, 85, 241, 255, 461, 723, 1205, 1383, 2305, 3615, 4097, 6915, 7837, 12291, 20485, 23511, 39185, 61455, 111101, 117555, 333303, 555505, 1666515, 1888717, 5666151, 9443585, 28330755]

約数ペア:

[(1, 28330755), (3, 9443585), (5, 5666151), (15, 1888717), (17, 1666515), (51, 555505), (85, 333303), (241, 117555), (255, 111101), (461, 61455), (723, 39185), (1205, 23511), (1383, 20485), (2305, 12291), (3615, 7837), (4097, 6915)]