2888655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 5999616

約数和(自身を除く): 3110961

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 41, 55, 61, 77, 105, 123, 165, 183, 205, 231, 287, 305, 385, 427, 451, 615, 671, 861, 915, 1155, 1281, 1353, 1435, 2013, 2135, 2255, 2501, 3157, 3355, 4305, 4697, 6405, 6765, 7503, 9471, 10065, 12505, 14091, 15785, 17507, 23485, 27511, 37515, 47355, 52521, 70455, 82533, 87535, 137555, 192577, 262605, 412665, 577731, 962885, 2888655]

約数ペア:

[(1, 2888655), (3, 962885), (5, 577731), (7, 412665), (11, 262605), (15, 192577), (21, 137555), (33, 87535), (35, 82533), (41, 70455), (55, 52521), (61, 47355), (77, 37515), (105, 27511), (123, 23485), (165, 17507), (183, 15785), (205, 14091), (231, 12505), (287, 10065), (305, 9471), (385, 7503), (427, 6765), (451, 6405), (615, 4697), (671, 4305), (861, 3355), (915, 3157), (1155, 2501), (1281, 2255), (1353, 2135), (1435, 2013)]