25031349

素因数分解:

$3^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 43188288

約数和(自身を除く): 18156939

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 131, 189, 337, 393, 567, 917, 1011, 1179, 2359, 2751, 3033, 3537, 7077, 8253, 9099, 10611, 21231, 24759, 27297, 44147, 63693, 74277, 132441, 191079, 309029, 397323, 927087, 1191969, 2781261, 3575907, 8343783, 25031349]

約数ペア:

[(1, 25031349), (3, 8343783), (7, 3575907), (9, 2781261), (21, 1191969), (27, 927087), (63, 397323), (81, 309029), (131, 191079), (189, 132441), (337, 74277), (393, 63693), (567, 44147), (917, 27297), (1011, 24759), (1179, 21231), (2359, 10611), (2751, 9099), (3033, 8253), (3537, 7077)]