256275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:100

約数の個数: 36

約数和(自身を含む): 493272

約数和(自身を除く): 236997

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 67, 75, 85, 153, 201, 225, 255, 335, 425, 603, 765, 1005, 1139, 1275, 1675, 3015, 3417, 3825, 5025, 5695, 10251, 15075, 17085, 28475, 51255, 85425, 256275]

約数ペア:

[(1, 256275), (3, 85425), (5, 51255), (9, 28475), (15, 17085), (17, 15075), (25, 10251), (45, 5695), (51, 5025), (67, 3825), (75, 3417), (85, 3015), (153, 1675), (201, 1275), (225, 1139), (255, 1005), (335, 765), (425, 603)]