12721725

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 23927040

約数和(自身を除く): 11205315

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 225, 235, 401, 423, 675, 705, 1175, 1203, 1269, 2005, 2115, 3525, 3609, 6015, 6345, 10025, 10575, 10827, 18045, 18847, 30075, 31725, 54135, 56541, 90225, 94235, 169623, 270675, 282705, 471175, 508869, 848115, 1413525, 2544345, 4240575, 12721725]

約数ペア:

[(1, 12721725), (3, 4240575), (5, 2544345), (9, 1413525), (15, 848115), (25, 508869), (27, 471175), (45, 282705), (47, 270675), (75, 169623), (135, 94235), (141, 90225), (225, 56541), (235, 54135), (401, 31725), (423, 30075), (675, 18847), (705, 18045), (1175, 10827), (1203, 10575), (1269, 10025), (2005, 6345), (2115, 6015), (3525, 3609)]