391419

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 704000

約数和(自身を除く): 312581

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 109, 133, 171, 189, 327, 399, 513, 763, 981, 1197, 2071, 2289, 2943, 3591, 6213, 6867, 14497, 18639, 20601, 43491, 55917, 130473, 391419]

約数ペア:

[(1, 391419), (3, 130473), (7, 55917), (9, 43491), (19, 20601), (21, 18639), (27, 14497), (57, 6867), (63, 6213), (109, 3591), (133, 2943), (171, 2289), (189, 2071), (327, 1197), (399, 981), (513, 763)]