17809857

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 36

約数和(自身を含む): 28851004

約数和(自身を除く): 11041147

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 181, 261, 377, 543, 841, 1131, 1629, 2353, 2523, 3393, 5249, 7059, 7569, 10933, 15747, 21177, 32799, 47241, 68237, 98397, 152221, 204711, 456663, 614133, 1369989, 1978873, 5936619, 17809857]

約数ペア:

[(1, 17809857), (3, 5936619), (9, 1978873), (13, 1369989), (29, 614133), (39, 456663), (87, 204711), (117, 152221), (181, 98397), (261, 68237), (377, 47241), (543, 32799), (841, 21177), (1131, 15747), (1629, 10933), (2353, 7569), (2523, 7059), (3393, 5249)]