2013969405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{15091}}^1$

素因数の和:15178

約数の個数: 64

約数和(自身を含む): 3894460416

約数和(自身を除く): 1880491011

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 41, 93, 105, 123, 155, 205, 217, 287, 465, 615, 651, 861, 1085, 1271, 1435, 3255, 3813, 4305, 6355, 8897, 15091, 19065, 26691, 44485, 45273, 75455, 105637, 133455, 226365, 316911, 467821, 528185, 618731, 1403463, 1584555, 1856193, 2339105, 3093655, 3274747, 4331117, 7017315, 9280965, 9824241, 12993351, 16373735, 19180661, 21655585, 49121205, 57541983, 64966755, 95903305, 134264627, 287709915, 402793881, 671323135, 2013969405]

約数ペア:

[(1, 2013969405), (3, 671323135), (5, 402793881), (7, 287709915), (15, 134264627), (21, 95903305), (31, 64966755), (35, 57541983), (41, 49121205), (93, 21655585), (105, 19180661), (123, 16373735), (155, 12993351), (205, 9824241), (217, 9280965), (287, 7017315), (465, 4331117), (615, 3274747), (651, 3093655), (861, 2339105), (1085, 1856193), (1271, 1584555), (1435, 1403463), (3255, 618731), (3813, 528185), (4305, 467821), (6355, 316911), (8897, 226365), (15091, 133455), (19065, 105637), (26691, 75455), (44485, 45273)]