251036235

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 450410688

約数和(自身を除く): 199374453

約数列:

[1, 3, 5, 9, 15, 41, 45, 103, 123, 205, 309, 369, 515, 615, 927, 1321, 1545, 1845, 3963, 4223, 4635, 6605, 11889, 12669, 19815, 21115, 38007, 54161, 59445, 63345, 136063, 162483, 190035, 270805, 408189, 487449, 680315, 812415, 1224567, 2040945, 2437245, 5578583, 6122835, 16735749, 27892915, 50207247, 83678745, 251036235]

約数ペア:

[(1, 251036235), (3, 83678745), (5, 50207247), (9, 27892915), (15, 16735749), (41, 6122835), (45, 5578583), (103, 2437245), (123, 2040945), (205, 1224567), (309, 812415), (369, 680315), (515, 487449), (615, 408189), (927, 270805), (1321, 190035), (1545, 162483), (1845, 136063), (3963, 63345), (4223, 59445), (4635, 54161), (6605, 38007), (11889, 21115), (12669, 19815)]