81589005

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3037}}^1$

素因数の和:3250

約数の個数: 32

約数和(自身を含む): 145824000

約数和(自身を除く): 64234995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 995, 1791, 2985, 3037, 5373, 8955, 9111, 15185, 26865, 27333, 45555, 81999, 136665, 409995, 604363, 1813089, 3021815, 5439267, 9065445, 16317801, 27196335, 81589005]

約数ペア:

[(1, 81589005), (3, 27196335), (5, 16317801), (9, 9065445), (15, 5439267), (27, 3021815), (45, 1813089), (135, 604363), (199, 409995), (597, 136665), (995, 81999), (1791, 45555), (2985, 27333), (3037, 26865), (5373, 15185), (8955, 9111)]