15561693

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 26584320

約数和(自身を除く): 11022627

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 601, 959, 1233, 1803, 2877, 3699, 4207, 5409, 8631, 12621, 16227, 25893, 37863, 82337, 113589, 247011, 576359, 741033, 1729077, 2223099, 5187231, 15561693]

約数ペア:

[(1, 15561693), (3, 5187231), (7, 2223099), (9, 1729077), (21, 741033), (27, 576359), (63, 247011), (137, 113589), (189, 82337), (411, 37863), (601, 25893), (959, 16227), (1233, 12621), (1803, 8631), (2877, 5409), (3699, 4207)]