237994911

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:793

約数の個数: 72

約数和(自身を含む): 443035008

約数和(自身を除く): 205040097

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 71, 77, 99, 147, 213, 231, 441, 497, 539, 639, 691, 693, 781, 1491, 1617, 2073, 2343, 3479, 4473, 4837, 4851, 5467, 6219, 7029, 7601, 10437, 14511, 16401, 22803, 31311, 33859, 38269, 43533, 49061, 49203, 53207, 68409, 101577, 114807, 147183, 159621, 304731, 343427, 344421, 372449, 441549, 478863, 539671, 1030281, 1117347, 1619013, 2403989, 3090843, 3352041, 3777697, 4857039, 7211967, 11333091, 21635901, 26443879, 33999273, 79331637, 237994911]

約数ペア:

[(1, 237994911), (3, 79331637), (7, 33999273), (9, 26443879), (11, 21635901), (21, 11333091), (33, 7211967), (49, 4857039), (63, 3777697), (71, 3352041), (77, 3090843), (99, 2403989), (147, 1619013), (213, 1117347), (231, 1030281), (441, 539671), (497, 478863), (539, 441549), (639, 372449), (691, 344421), (693, 343427), (781, 304731), (1491, 159621), (1617, 147183), (2073, 114807), (2343, 101577), (3479, 68409), (4473, 53207), (4837, 49203), (4851, 49061), (5467, 43533), (6219, 38269), (7029, 33859), (7601, 31311), (10437, 22803), (14511, 16401)]