248971107

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1949}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 426816000

約数和(自身を除く): 177844893

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 79, 147, 231, 237, 539, 553, 869, 1617, 1659, 1949, 2607, 3871, 5847, 6083, 11613, 13643, 18249, 21439, 40929, 42581, 64317, 95501, 127743, 150073, 153971, 286503, 450219, 461913, 1050511, 1077797, 1693681, 3151533, 3233391, 5081043, 7544579, 11855767, 22633737, 35567301, 82990369, 248971107]

約数ペア:

[(1, 248971107), (3, 82990369), (7, 35567301), (11, 22633737), (21, 11855767), (33, 7544579), (49, 5081043), (77, 3233391), (79, 3151533), (147, 1693681), (231, 1077797), (237, 1050511), (539, 461913), (553, 450219), (869, 286503), (1617, 153971), (1659, 150073), (1949, 127743), (2607, 95501), (3871, 64317), (5847, 42581), (6083, 40929), (11613, 21439), (13643, 18249)]