81489265

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{797}}^1$

素因数の和:850

約数の個数: 36

約数和(自身を含む): 116535132

約数和(自身を除く): 35045867

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 169, 605, 715, 797, 845, 1573, 1859, 3985, 7865, 8767, 9295, 10361, 20449, 43835, 51805, 96437, 102245, 113971, 134693, 482185, 569855, 673465, 1253681, 1481623, 6268405, 7408115, 16297853, 81489265]

約数ペア:

[(1, 81489265), (5, 16297853), (11, 7408115), (13, 6268405), (55, 1481623), (65, 1253681), (121, 673465), (143, 569855), (169, 482185), (605, 134693), (715, 113971), (797, 102245), (845, 96437), (1573, 51805), (1859, 43835), (3985, 20449), (7865, 10361), (8767, 9295)]