71968959

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1288

約数の個数: 32

約数和(自身を含む): 111391680

約数和(自身を除く): 39422721

約数列:

[1, 3, 9, 27, 37, 61, 111, 183, 333, 549, 999, 1181, 1647, 2257, 3543, 6771, 10629, 20313, 31887, 43697, 60939, 72041, 131091, 216123, 393273, 648369, 1179819, 1945107, 2665517, 7996551, 23989653, 71968959]

約数ペア:

[(1, 71968959), (3, 23989653), (9, 7996551), (27, 2665517), (37, 1945107), (61, 1179819), (111, 648369), (183, 393273), (333, 216123), (549, 131091), (999, 72041), (1181, 60939), (1647, 43697), (2257, 31887), (3543, 20313), (6771, 10629)]