1621878525

素因数分解:

$3^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{14741}}^1$

素因数の和:14923

約数の個数: 48

約数和(自身を含む): 2997933120

約数和(自身を除く): 1376054595

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 163, 225, 489, 675, 815, 1467, 2445, 4075, 4401, 7335, 12225, 14741, 22005, 36675, 44223, 73705, 110025, 132669, 221115, 368525, 398007, 663345, 1105575, 1990035, 2402783, 3316725, 7208349, 9950175, 12013915, 21625047, 36041745, 60069575, 64875141, 108125235, 180208725, 324375705, 540626175, 1621878525]

約数ペア:

[(1, 1621878525), (3, 540626175), (5, 324375705), (9, 180208725), (15, 108125235), (25, 64875141), (27, 60069575), (45, 36041745), (75, 21625047), (135, 12013915), (163, 9950175), (225, 7208349), (489, 3316725), (675, 2402783), (815, 1990035), (1467, 1105575), (2445, 663345), (4075, 398007), (4401, 368525), (7335, 221115), (12225, 132669), (14741, 110025), (22005, 73705), (36675, 44223)]