78981939

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 121131840

約数和(自身を除く): 42149901

約数列:

[1, 3, 9, 27, 37, 111, 173, 333, 457, 519, 999, 1371, 1557, 4113, 4671, 6401, 12339, 16909, 19203, 50727, 57609, 79061, 152181, 172827, 237183, 456543, 711549, 2134647, 2925257, 8775771, 26327313, 78981939]

約数ペア:

[(1, 78981939), (3, 26327313), (9, 8775771), (27, 2925257), (37, 2134647), (111, 711549), (173, 456543), (333, 237183), (457, 172827), (519, 152181), (999, 79061), (1371, 57609), (1557, 50727), (4113, 19203), (4671, 16909), (6401, 12339)]