71964045

素因数分解:

$3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1297}}^1$

素因数の和:1451

約数の個数: 40

約数和(自身を含む): 130044024

約数和(自身を除く): 58079979

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 137, 405, 411, 685, 1233, 1297, 2055, 3699, 3891, 6165, 6485, 11097, 11673, 18495, 19455, 35019, 55485, 58365, 105057, 175095, 177689, 525285, 533067, 888445, 1599201, 2665335, 4797603, 7996005, 14392809, 23988015, 71964045]

約数ペア:

[(1, 71964045), (3, 23988015), (5, 14392809), (9, 7996005), (15, 4797603), (27, 2665335), (45, 1599201), (81, 888445), (135, 533067), (137, 525285), (405, 177689), (411, 175095), (685, 105057), (1233, 58365), (1297, 55485), (2055, 35019), (3699, 19455), (3891, 18495), (6165, 11673), (6485, 11097)]