42208257

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1699}}^1$

素因数の和:1742

約数の個数: 36

約数和(自身を含む): 70930800

約数和(自身を除く): 28722543

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 1183, 1699, 1911, 3549, 5097, 8281, 11893, 22087, 24843, 35679, 66261, 83251, 154609, 249753, 287131, 463827, 861393, 1082263, 2009917, 3246789, 6029751, 14069419, 42208257]

約数ペア:

[(1, 42208257), (3, 14069419), (7, 6029751), (13, 3246789), (21, 2009917), (39, 1082263), (49, 861393), (91, 463827), (147, 287131), (169, 249753), (273, 154609), (507, 83251), (637, 66261), (1183, 35679), (1699, 24843), (1911, 22087), (3549, 11893), (5097, 8281)]