27720246631

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{159223}}^1$

素因数の和:159284

約数の個数: 48

約数和(自身を含む): 39207317760

約数和(自身を除く): 11487071129

約数列:

[1, 7, 11, 17, 19, 49, 77, 119, 133, 187, 209, 323, 539, 833, 931, 1309, 1463, 2261, 3553, 9163, 10241, 15827, 24871, 159223, 174097, 1114561, 1751453, 2706791, 3025237, 7801927, 12260171, 18947537, 21176659, 29774701, 33277607, 51429029, 85821197, 132632759, 148236613, 208422907, 232943249, 360003203, 565719319, 1458960349, 1630602743, 2520022421, 3960035233, 27720246631]

約数ペア:

[(1, 27720246631), (7, 3960035233), (11, 2520022421), (17, 1630602743), (19, 1458960349), (49, 565719319), (77, 360003203), (119, 232943249), (133, 208422907), (187, 148236613), (209, 132632759), (323, 85821197), (539, 51429029), (833, 33277607), (931, 29774701), (1309, 21176659), (1463, 18947537), (2261, 12260171), (3553, 7801927), (9163, 3025237), (10241, 2706791), (15827, 1751453), (24871, 1114561), (159223, 174097)]