251388945

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{881}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 463134672

約数和(自身を除く): 211745727

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 373, 765, 881, 1119, 1865, 2643, 3357, 4405, 5595, 6341, 7929, 13215, 14977, 16785, 19023, 31705, 39645, 44931, 57069, 74885, 95115, 134793, 224655, 285345, 328613, 673965, 985839, 1643065, 2957517, 4929195, 5586421, 14787585, 16759263, 27932105, 50277789, 83796315, 251388945]

約数ペア:

[(1, 251388945), (3, 83796315), (5, 50277789), (9, 27932105), (15, 16759263), (17, 14787585), (45, 5586421), (51, 4929195), (85, 2957517), (153, 1643065), (255, 985839), (373, 673965), (765, 328613), (881, 285345), (1119, 224655), (1865, 134793), (2643, 95115), (3357, 74885), (4405, 57069), (5595, 44931), (6341, 39645), (7929, 31705), (13215, 19023), (14977, 16785)]