89871039

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 139484928

約数和(自身を除く): 49613889

約数列:

[1, 3, 9, 27, 37, 81, 111, 157, 191, 333, 471, 573, 999, 1413, 1719, 2997, 4239, 5157, 5809, 7067, 12717, 15471, 17427, 21201, 29987, 52281, 63603, 89961, 156843, 190809, 269883, 470529, 572427, 809649, 1109519, 2428947, 3328557, 9985671, 29957013, 89871039]

約数ペア:

[(1, 89871039), (3, 29957013), (9, 9985671), (27, 3328557), (37, 2428947), (81, 1109519), (111, 809649), (157, 572427), (191, 470529), (333, 269883), (471, 190809), (573, 156843), (999, 89961), (1413, 63603), (1719, 52281), (2997, 29987), (4239, 21201), (5157, 17427), (5809, 15471), (7067, 12717)]