211933155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 408158208

約数和(自身を除く): 196225053

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 127, 161, 345, 381, 483, 635, 691, 805, 889, 1905, 2073, 2415, 2667, 2921, 3455, 4445, 4837, 8763, 10365, 13335, 14511, 14605, 15893, 20447, 24185, 43815, 47679, 61341, 72555, 79465, 87757, 102235, 111251, 238395, 263271, 306705, 333753, 438785, 556255, 614299, 1316355, 1668765, 1842897, 2018411, 3071495, 6055233, 9214485, 10092055, 14128877, 30276165, 42386631, 70644385, 211933155]

約数ペア:

[(1, 211933155), (3, 70644385), (5, 42386631), (7, 30276165), (15, 14128877), (21, 10092055), (23, 9214485), (35, 6055233), (69, 3071495), (105, 2018411), (115, 1842897), (127, 1668765), (161, 1316355), (345, 614299), (381, 556255), (483, 438785), (635, 333753), (691, 306705), (805, 263271), (889, 238395), (1905, 111251), (2073, 102235), (2415, 87757), (2667, 79465), (2921, 72555), (3455, 61341), (4445, 47679), (4837, 43815), (8763, 24185), (10365, 20447), (13335, 15893), (14511, 14605)]