278366925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2003}}^1$

素因数の和:2142

約数の個数: 48

約数和(自身を含む): 492022080

約数和(自身を除く): 213655155

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 109, 255, 327, 425, 545, 1275, 1635, 1853, 2003, 2725, 5559, 6009, 8175, 9265, 10015, 27795, 30045, 34051, 46325, 50075, 102153, 138975, 150225, 170255, 218327, 510765, 654981, 851275, 1091635, 2553825, 3274905, 3711559, 5458175, 11134677, 16374525, 18557795, 55673385, 92788975, 278366925]

約数ペア:

[(1, 278366925), (3, 92788975), (5, 55673385), (15, 18557795), (17, 16374525), (25, 11134677), (51, 5458175), (75, 3711559), (85, 3274905), (109, 2553825), (255, 1091635), (327, 851275), (425, 654981), (545, 510765), (1275, 218327), (1635, 170255), (1853, 150225), (2003, 138975), (2725, 102153), (5559, 50075), (6009, 46325), (8175, 34051), (9265, 30045), (10015, 27795)]