138720195

素因数分解:

$3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 268369920

約数和(自身を除く): 129649725

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 81, 87, 93, 127, 135, 145, 155, 243, 261, 279, 381, 405, 435, 465, 635, 783, 837, 899, 1143, 1215, 1305, 1395, 1905, 2349, 2511, 2697, 3429, 3683, 3915, 3937, 4185, 4495, 5715, 7047, 7533, 8091, 10287, 11049, 11745, 11811, 12555, 13485, 17145, 18415, 19685, 24273, 30861, 33147, 35235, 35433, 37665, 40455, 51435, 55245, 59055, 72819, 99441, 106299, 114173, 121365, 154305, 165735, 177165, 218457, 298323, 318897, 342519, 364095, 497205, 531495, 570865, 894969, 956691, 1027557, 1092285, 1491615, 1594485, 1712595, 3082671, 4474845, 4783455, 5137785, 9248013, 15413355, 27744039, 46240065, 138720195]

約数ペア:

[(1, 138720195), (3, 46240065), (5, 27744039), (9, 15413355), (15, 9248013), (27, 5137785), (29, 4783455), (31, 4474845), (45, 3082671), (81, 1712595), (87, 1594485), (93, 1491615), (127, 1092285), (135, 1027557), (145, 956691), (155, 894969), (243, 570865), (261, 531495), (279, 497205), (381, 364095), (405, 342519), (435, 318897), (465, 298323), (635, 218457), (783, 177165), (837, 165735), (899, 154305), (1143, 121365), (1215, 114173), (1305, 106299), (1395, 99441), (1905, 72819), (2349, 59055), (2511, 55245), (2697, 51435), (3429, 40455), (3683, 37665), (3915, 35433), (3937, 35235), (4185, 33147), (4495, 30861), (5715, 24273), (7047, 19685), (7533, 18415), (8091, 17145), (10287, 13485), (11049, 12555), (11745, 11811)]