25857993

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 41804800

約数和(自身を除く): 15946807

約数列:

[1, 3, 7, 19, 21, 57, 133, 229, 283, 399, 687, 849, 1603, 1981, 4351, 4809, 5377, 5943, 13053, 16131, 30457, 37639, 64807, 91371, 112917, 194421, 453649, 1231333, 1360947, 3693999, 8619331, 25857993]

約数ペア:

[(1, 25857993), (3, 8619331), (7, 3693999), (19, 1360947), (21, 1231333), (57, 453649), (133, 194421), (229, 112917), (283, 91371), (399, 64807), (687, 37639), (849, 30457), (1603, 16131), (1981, 13053), (4351, 5943), (4809, 5377)]