217428493995

素因数分解:

$3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1\times {\mathrm{5351}}^1$

素因数の和:6055

約数の個数: 96

約数和(自身を含む): 398914274304

約数和(自身を除く): 181485780309

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 243, 265, 405, 477, 631, 795, 1215, 1431, 1893, 2385, 3155, 4293, 5351, 5679, 7155, 9465, 12879, 16053, 17037, 21465, 26755, 28395, 33443, 48159, 51111, 64395, 80265, 85185, 100329, 144477, 153333, 167215, 240795, 255555, 283603, 300987, 433431, 501645, 722385, 766665, 850809, 902961, 1300293, 1418015, 1504935, 2167155, 2552427, 2708883, 3376481, 4254045, 4514805, 6501465, 7657281, 8126649, 10129443, 12762135, 13544415, 16882405, 22971843, 30388329, 38286405, 40633245, 50647215, 68915529, 91164987, 114859215, 151941645, 178953493, 273494961, 344577645, 455824935, 536860479, 820484883, 894767465, 1367474805, 1610581437, 2684302395, 4102424415, 4831744311, 8052907185, 14495232933, 24158721555, 43485698799, 72476164665, 217428493995]

約数ペア:

[(1, 217428493995), (3, 72476164665), (5, 43485698799), (9, 24158721555), (15, 14495232933), (27, 8052907185), (45, 4831744311), (53, 4102424415), (81, 2684302395), (135, 1610581437), (159, 1367474805), (243, 894767465), (265, 820484883), (405, 536860479), (477, 455824935), (631, 344577645), (795, 273494961), (1215, 178953493), (1431, 151941645), (1893, 114859215), (2385, 91164987), (3155, 68915529), (4293, 50647215), (5351, 40633245), (5679, 38286405), (7155, 30388329), (9465, 22971843), (12879, 16882405), (16053, 13544415), (17037, 12762135), (21465, 10129443), (26755, 8126649), (28395, 7657281), (33443, 6501465), (48159, 4514805), (51111, 4254045), (64395, 3376481), (80265, 2708883), (85185, 2552427), (100329, 2167155), (144477, 1504935), (153333, 1418015), (167215, 1300293), (240795, 902961), (255555, 850809), (283603, 766665), (300987, 722385), (433431, 501645)]