81313578

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1933}}^1$

素因数の和:2004

約数の個数: 64

約数和(自身を含む): 194947200

約数和(自身を除く): 113633622

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 41, 54, 57, 82, 114, 123, 171, 246, 342, 369, 513, 738, 779, 1026, 1107, 1558, 1933, 2214, 2337, 3866, 4674, 5799, 7011, 11598, 14022, 17397, 21033, 34794, 36727, 42066, 52191, 73454, 79253, 104382, 110181, 158506, 220362, 237759, 330543, 475518, 661086, 713277, 991629, 1426554, 1505807, 1983258, 2139831, 3011614, 4279662, 4517421, 9034842, 13552263, 27104526, 40656789, 81313578]

約数ペア:

[(1, 81313578), (2, 40656789), (3, 27104526), (6, 13552263), (9, 9034842), (18, 4517421), (19, 4279662), (27, 3011614), (38, 2139831), (41, 1983258), (54, 1505807), (57, 1426554), (82, 991629), (114, 713277), (123, 661086), (171, 475518), (246, 330543), (342, 237759), (369, 220362), (513, 158506), (738, 110181), (779, 104382), (1026, 79253), (1107, 73454), (1558, 52191), (1933, 42066), (2214, 36727), (2337, 34794), (3866, 21033), (4674, 17397), (5799, 14022), (7011, 11598)]