51509655

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 96768000

約数和(自身を除く): 45258345

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 59, 87, 135, 145, 177, 223, 261, 295, 435, 531, 669, 783, 885, 1115, 1305, 1593, 1711, 2007, 2655, 3345, 3915, 5133, 6021, 6467, 7965, 8555, 10035, 13157, 15399, 19401, 25665, 30105, 32335, 39471, 46197, 58203, 65785, 76995, 97005, 118413, 174609, 197355, 230985, 291015, 355239, 381553, 592065, 873045, 1144659, 1776195, 1907765, 3433977, 5723295, 10301931, 17169885, 51509655]

約数ペア:

[(1, 51509655), (3, 17169885), (5, 10301931), (9, 5723295), (15, 3433977), (27, 1907765), (29, 1776195), (45, 1144659), (59, 873045), (87, 592065), (135, 381553), (145, 355239), (177, 291015), (223, 230985), (261, 197355), (295, 174609), (435, 118413), (531, 97005), (669, 76995), (783, 65785), (885, 58203), (1115, 46197), (1305, 39471), (1593, 32335), (1711, 30105), (2007, 25665), (2655, 19401), (3345, 15399), (3915, 13157), (5133, 10035), (6021, 8555), (6467, 7965)]