153970275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 271348704

約数和(自身を除く): 117378429

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 197, 255, 425, 591, 613, 985, 1275, 1839, 2955, 3065, 3349, 4925, 9195, 10047, 10421, 14775, 15325, 16745, 31263, 45975, 50235, 52105, 83725, 120761, 156315, 251175, 260525, 362283, 603805, 781575, 1811415, 2052937, 3019025, 6158811, 9057075, 10264685, 30794055, 51323425, 153970275]

約数ペア:

[(1, 153970275), (3, 51323425), (5, 30794055), (15, 10264685), (17, 9057075), (25, 6158811), (51, 3019025), (75, 2052937), (85, 1811415), (197, 781575), (255, 603805), (425, 362283), (591, 260525), (613, 251175), (985, 156315), (1275, 120761), (1839, 83725), (2955, 52105), (3065, 50235), (3349, 45975), (4925, 31263), (9195, 16745), (10047, 15325), (10421, 14775)]