81505032

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{9901}}^1$

素因数の和:9931

約数の個数: 64

約数和(自身を含む): 237648000

約数和(自身を除く): 156142968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2744, 4116, 8232, 9901, 19802, 29703, 39604, 59406, 69307, 79208, 118812, 138614, 207921, 237624, 277228, 415842, 485149, 554456, 831684, 970298, 1455447, 1663368, 1940596, 2910894, 3396043, 3881192, 5821788, 6792086, 10188129, 11643576, 13584172, 20376258, 27168344, 40752516, 81505032]

約数ペア:

[(1, 81505032), (2, 40752516), (3, 27168344), (4, 20376258), (6, 13584172), (7, 11643576), (8, 10188129), (12, 6792086), (14, 5821788), (21, 3881192), (24, 3396043), (28, 2910894), (42, 1940596), (49, 1663368), (56, 1455447), (84, 970298), (98, 831684), (147, 554456), (168, 485149), (196, 415842), (294, 277228), (343, 237624), (392, 207921), (588, 138614), (686, 118812), (1029, 79208), (1176, 69307), (1372, 59406), (2058, 39604), (2744, 29703), (4116, 19802), (8232, 9901)]