201981609

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{4391}}^1$

素因数の和:4685

約数の個数: 24

約数和(自身を含む): 308318400

約数和(自身を除く): 106336791

約数列:

[1, 3, 9, 19, 57, 171, 269, 807, 2421, 4391, 5111, 13173, 15333, 39519, 45999, 83429, 250287, 750861, 1181179, 3543537, 10630611, 22442401, 67327203, 201981609]

約数ペア:

[(1, 201981609), (3, 67327203), (9, 22442401), (19, 10630611), (57, 3543537), (171, 1181179), (269, 750861), (807, 250287), (2421, 83429), (4391, 45999), (5111, 39519), (13173, 15333)]