28312659

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 45147648

約数和(自身を除く): 16834989

約数列:

[1, 3, 9, 27, 37, 47, 67, 81, 111, 141, 201, 243, 333, 423, 603, 999, 1269, 1739, 1809, 2479, 2997, 3149, 3807, 5217, 5427, 7437, 8991, 9447, 11421, 15651, 16281, 22311, 28341, 46953, 66933, 85023, 116513, 140859, 200799, 255069, 349539, 422577, 602397, 765207, 1048617, 3145851, 9437553, 28312659]

約数ペア:

[(1, 28312659), (3, 9437553), (9, 3145851), (27, 1048617), (37, 765207), (47, 602397), (67, 422577), (81, 349539), (111, 255069), (141, 200799), (201, 140859), (243, 116513), (333, 85023), (423, 66933), (603, 46953), (999, 28341), (1269, 22311), (1739, 16281), (1809, 15651), (2479, 11421), (2997, 9447), (3149, 8991), (3807, 7437), (5217, 5427)]