201976821

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3547}}^1$

素因数の和:3615

約数の個数: 40

約数和(自身を含む): 326274080

約数和(自身を除く): 124297259

約数列:

[1, 3, 9, 19, 27, 37, 57, 81, 111, 171, 333, 513, 703, 999, 1539, 2109, 2997, 3547, 6327, 10641, 18981, 31923, 56943, 67393, 95769, 131239, 202179, 287307, 393717, 606537, 1181151, 1819611, 2493541, 3543453, 5458833, 7480623, 10630359, 22441869, 67325607, 201976821]

約数ペア:

[(1, 201976821), (3, 67325607), (9, 22441869), (19, 10630359), (27, 7480623), (37, 5458833), (57, 3543453), (81, 2493541), (111, 1819611), (171, 1181151), (333, 606537), (513, 393717), (703, 287307), (999, 202179), (1539, 131239), (2109, 95769), (2997, 67393), (3547, 56943), (6327, 31923), (10641, 18981)]