3987765

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 7180800

約数和(自身を除く): 3193035

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 271, 327, 545, 813, 981, 1355, 1635, 2439, 2943, 4065, 4905, 7317, 12195, 14715, 29539, 36585, 88617, 147695, 265851, 443085, 797553, 1329255, 3987765]

約数ペア:

[(1, 3987765), (3, 1329255), (5, 797553), (9, 443085), (15, 265851), (27, 147695), (45, 88617), (109, 36585), (135, 29539), (271, 14715), (327, 12195), (545, 7317), (813, 4905), (981, 4065), (1355, 2943), (1635, 2439)]