161885601

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:1006

約数の個数: 32

約数和(自身を含む): 245942400

約数和(自身を除く): 84056799

約数列:

[1, 3, 9, 27, 67, 109, 201, 327, 603, 821, 981, 1809, 2463, 2943, 7303, 7389, 21909, 22167, 55007, 65727, 89489, 165021, 197181, 268467, 495063, 805401, 1485189, 2416203, 5995763, 17987289, 53961867, 161885601]

約数ペア:

[(1, 161885601), (3, 53961867), (9, 17987289), (27, 5995763), (67, 2416203), (109, 1485189), (201, 805401), (327, 495063), (603, 268467), (821, 197181), (981, 165021), (1809, 89489), (2463, 65727), (2943, 55007), (7303, 22167), (7389, 21909)]