3781755

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 6811200

約数和(自身を除く): 3029445

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 257, 327, 545, 771, 981, 1285, 1635, 2313, 2943, 3855, 4905, 6939, 11565, 14715, 28013, 34695, 84039, 140065, 252117, 420195, 756351, 1260585, 3781755]

約数ペア:

[(1, 3781755), (3, 1260585), (5, 756351), (9, 420195), (15, 252117), (27, 140065), (45, 84039), (109, 34695), (135, 28013), (257, 14715), (327, 11565), (545, 6939), (771, 4905), (981, 3855), (1285, 2943), (1635, 2313)]