72391683

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{937}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 119343616

約数和(自身を除く): 46951933

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 283, 849, 937, 1981, 2811, 3679, 5943, 6559, 11037, 12181, 19677, 25753, 36543, 77259, 85267, 255801, 265171, 795513, 1856197, 3447223, 5568591, 10341669, 24130561, 72391683]

約数ペア:

[(1, 72391683), (3, 24130561), (7, 10341669), (13, 5568591), (21, 3447223), (39, 1856197), (91, 795513), (273, 265171), (283, 255801), (849, 85267), (937, 77259), (1981, 36543), (2811, 25753), (3679, 19677), (5943, 12181), (6559, 11037)]