128570427

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 36

約数和(自身を含む): 197171520

約数和(自身を除く): 68601093

約数列:

[1, 3, 9, 29, 47, 87, 141, 223, 261, 423, 669, 1363, 2007, 2209, 4089, 6467, 6627, 10481, 12267, 19401, 19881, 31443, 58203, 64061, 94329, 192183, 303949, 492607, 576549, 911847, 1477821, 2735541, 4433463, 14285603, 42856809, 128570427]

約数ペア:

[(1, 128570427), (3, 42856809), (9, 14285603), (29, 4433463), (47, 2735541), (87, 1477821), (141, 911847), (223, 576549), (261, 492607), (423, 303949), (669, 192183), (1363, 94329), (2007, 64061), (2209, 58203), (4089, 31443), (6467, 19881), (6627, 19401), (10481, 12267)]