1801575

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 3526560

約数和(自身を除く): 1724985

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 157, 225, 255, 425, 459, 471, 675, 765, 785, 1275, 1413, 2295, 2355, 2669, 3825, 3925, 4239, 7065, 8007, 11475, 11775, 13345, 21195, 24021, 35325, 40035, 66725, 72063, 105975, 120105, 200175, 360315, 600525, 1801575]

約数ペア:

[(1, 1801575), (3, 600525), (5, 360315), (9, 200175), (15, 120105), (17, 105975), (25, 72063), (27, 66725), (45, 40035), (51, 35325), (75, 24021), (85, 21195), (135, 13345), (153, 11775), (157, 11475), (225, 8007), (255, 7065), (425, 4239), (459, 3925), (471, 3825), (675, 2669), (765, 2355), (785, 2295), (1275, 1413)]