3987009

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 6554240

約数和(自身を除く): 2567231

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 307, 333, 351, 481, 921, 999, 1443, 2763, 3991, 4329, 8289, 11359, 11973, 12987, 34077, 35919, 102231, 107757, 147667, 306693, 443001, 1329003, 3987009]

約数ペア:

[(1, 3987009), (3, 1329003), (9, 443001), (13, 306693), (27, 147667), (37, 107757), (39, 102231), (111, 35919), (117, 34077), (307, 12987), (333, 11973), (351, 11359), (481, 8289), (921, 4329), (999, 3991), (1443, 2763)]