81630099

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 139392000

約数和(自身を除く): 57761901

約数列:

[1, 3, 9, 19, 27, 29, 31, 57, 59, 81, 87, 93, 171, 177, 261, 279, 513, 531, 551, 589, 783, 837, 899, 1121, 1539, 1593, 1653, 1711, 1767, 1829, 2349, 2511, 2697, 3363, 4779, 4959, 5133, 5301, 5487, 8091, 10089, 14877, 15399, 15903, 16461, 17081, 24273, 30267, 32509, 34751, 44631, 46197, 47709, 49383, 51243, 53041, 72819, 90801, 97527, 104253, 138591, 148149, 153729, 159123, 292581, 312759, 461187, 477369, 877743, 938277, 1007779, 1383561, 1432107, 2633229, 2814831, 3023337, 4296321, 9070011, 27210033, 81630099]

約数ペア:

[(1, 81630099), (3, 27210033), (9, 9070011), (19, 4296321), (27, 3023337), (29, 2814831), (31, 2633229), (57, 1432107), (59, 1383561), (81, 1007779), (87, 938277), (93, 877743), (171, 477369), (177, 461187), (261, 312759), (279, 292581), (513, 159123), (531, 153729), (551, 148149), (589, 138591), (783, 104253), (837, 97527), (899, 90801), (1121, 72819), (1539, 53041), (1593, 51243), (1653, 49383), (1711, 47709), (1767, 46197), (1829, 44631), (2349, 34751), (2511, 32509), (2697, 30267), (3363, 24273), (4779, 17081), (4959, 16461), (5133, 15903), (5301, 15399), (5487, 14877), (8091, 10089)]