25778973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 39485952

約数和(自身を除く): 13706979

約数列:

[1, 3, 11, 33, 37, 43, 111, 129, 407, 473, 491, 1221, 1419, 1473, 1591, 4773, 5401, 16203, 17501, 18167, 21113, 52503, 54501, 63339, 199837, 232243, 599511, 696729, 781181, 2343543, 8592991, 25778973]

約数ペア:

[(1, 25778973), (3, 8592991), (11, 2343543), (33, 781181), (37, 696729), (43, 599511), (111, 232243), (129, 199837), (407, 63339), (473, 54501), (491, 52503), (1221, 21113), (1419, 18167), (1473, 17501), (1591, 16203), (4773, 5401)]