81203715

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5419}}^1$

素因数の和:5473

約数の個数: 40

約数和(自身を含む): 149526960

約数和(自身を除く): 68323245

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 333, 405, 555, 999, 1665, 2997, 4995, 5419, 14985, 16257, 27095, 48771, 81285, 146313, 200503, 243855, 438939, 601509, 731565, 1002515, 1804527, 2194695, 3007545, 5413581, 9022635, 16240743, 27067905, 81203715]

約数ペア:

[(1, 81203715), (3, 27067905), (5, 16240743), (9, 9022635), (15, 5413581), (27, 3007545), (37, 2194695), (45, 1804527), (81, 1002515), (111, 731565), (135, 601509), (185, 438939), (333, 243855), (405, 200503), (555, 146313), (999, 81285), (1665, 48771), (2997, 27095), (4995, 16257), (5419, 14985)]