29945457

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 46835712

約数和(自身を除く): 16890255

約数列:

[1, 3, 9, 27, 41, 71, 81, 123, 127, 213, 369, 381, 639, 1107, 1143, 1917, 2911, 3321, 3429, 5207, 5751, 8733, 9017, 10287, 15621, 26199, 27051, 46863, 78597, 81153, 140589, 235791, 243459, 369697, 421767, 730377, 1109091, 3327273, 9981819, 29945457]

約数ペア:

[(1, 29945457), (3, 9981819), (9, 3327273), (27, 1109091), (41, 730377), (71, 421767), (81, 369697), (123, 243459), (127, 235791), (213, 140589), (369, 81153), (381, 78597), (639, 46863), (1107, 27051), (1143, 26199), (1917, 15621), (2911, 10287), (3321, 9017), (3429, 8733), (5207, 5751)]