15556761

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 26178048

約数和(自身を除く): 10621287

約数列:

[1, 3, 9, 11, 31, 33, 37, 93, 99, 111, 137, 279, 333, 341, 407, 411, 1023, 1147, 1221, 1233, 1507, 3069, 3441, 3663, 4247, 4521, 5069, 10323, 12617, 12741, 13563, 15207, 37851, 38223, 45621, 46717, 55759, 113553, 140151, 157139, 167277, 420453, 471417, 501831, 1414251, 1728529, 5185587, 15556761]

約数ペア:

[(1, 15556761), (3, 5185587), (9, 1728529), (11, 1414251), (31, 501831), (33, 471417), (37, 420453), (93, 167277), (99, 157139), (111, 140151), (137, 113553), (279, 55759), (333, 46717), (341, 45621), (407, 38223), (411, 37851), (1023, 15207), (1147, 13563), (1221, 12741), (1233, 12617), (1507, 10323), (3069, 5069), (3441, 4521), (3663, 4247)]