69981639

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{887}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 122131968

約数和(自身を除く): 52150329

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 289, 357, 663, 867, 887, 1547, 2023, 2661, 3757, 4641, 6069, 6209, 11271, 11531, 15079, 18627, 26299, 34593, 45237, 78897, 80717, 105553, 196027, 242151, 256343, 316659, 588081, 769029, 1372189, 1794401, 3332459, 4116567, 5383203, 9997377, 23327213, 69981639]

約数ペア:

[(1, 69981639), (3, 23327213), (7, 9997377), (13, 5383203), (17, 4116567), (21, 3332459), (39, 1794401), (51, 1372189), (91, 769029), (119, 588081), (221, 316659), (273, 256343), (289, 242151), (357, 196027), (663, 105553), (867, 80717), (887, 78897), (1547, 45237), (2023, 34593), (2661, 26299), (3757, 18627), (4641, 15079), (6069, 11531), (6209, 11271)]