81924273

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 127370880

約数和(自身を除く): 45446607

約数列:

[1, 3, 9, 41, 53, 59, 71, 123, 159, 177, 213, 369, 477, 531, 639, 2173, 2419, 2911, 3127, 3763, 4189, 6519, 7257, 8733, 9381, 11289, 12567, 19557, 21771, 26199, 28143, 33867, 37701, 128207, 154283, 171749, 222017, 384621, 462849, 515247, 666051, 1153863, 1388547, 1545741, 1998153, 9102697, 27308091, 81924273]

約数ペア:

[(1, 81924273), (3, 27308091), (9, 9102697), (41, 1998153), (53, 1545741), (59, 1388547), (71, 1153863), (123, 666051), (159, 515247), (177, 462849), (213, 384621), (369, 222017), (477, 171749), (531, 154283), (639, 128207), (2173, 37701), (2419, 33867), (2911, 28143), (3127, 26199), (3763, 21771), (4189, 19557), (6519, 12567), (7257, 11289), (8733, 9381)]