156905415

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 283136256

約数和(自身を除く): 126230841

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 137, 155, 279, 411, 465, 685, 821, 1233, 1395, 2055, 2463, 4105, 4247, 6165, 7389, 12315, 12741, 21235, 25451, 36945, 38223, 63705, 76353, 112477, 127255, 191115, 229059, 337431, 381765, 562385, 1012293, 1145295, 1687155, 3486787, 5061465, 10460361, 17433935, 31381083, 52301805, 156905415]

約数ペア:

[(1, 156905415), (3, 52301805), (5, 31381083), (9, 17433935), (15, 10460361), (31, 5061465), (45, 3486787), (93, 1687155), (137, 1145295), (155, 1012293), (279, 562385), (411, 381765), (465, 337431), (685, 229059), (821, 191115), (1233, 127255), (1395, 112477), (2055, 76353), (2463, 63705), (4105, 38223), (4247, 36945), (6165, 25451), (7389, 21235), (12315, 12741)]