72969351

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1951}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 120680448

約数和(自身を除く): 47711097

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 959, 1781, 1951, 2877, 5343, 5853, 12467, 13657, 25363, 37401, 40971, 76089, 177541, 267287, 532623, 801861, 1871009, 3474731, 5613027, 10424193, 24323117, 72969351]

約数ペア:

[(1, 72969351), (3, 24323117), (7, 10424193), (13, 5613027), (21, 3474731), (39, 1871009), (91, 801861), (137, 532623), (273, 267287), (411, 177541), (959, 76089), (1781, 40971), (1951, 37401), (2877, 25363), (5343, 13657), (5853, 12467)]