8172171

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 60

約数和(自身を含む): 14897520

約数和(自身を除く): 6725349

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 71, 81, 87, 147, 189, 203, 213, 261, 441, 497, 567, 609, 639, 783, 1323, 1421, 1491, 1827, 1917, 2059, 2349, 3479, 3969, 4263, 4473, 5481, 5751, 6177, 10437, 12789, 13419, 14413, 16443, 18531, 31311, 38367, 40257, 43239, 55593, 93933, 100891, 115101, 129717, 166779, 281799, 302673, 389151, 908019, 1167453, 2724057, 8172171]

約数ペア:

[(1, 8172171), (3, 2724057), (7, 1167453), (9, 908019), (21, 389151), (27, 302673), (29, 281799), (49, 166779), (63, 129717), (71, 115101), (81, 100891), (87, 93933), (147, 55593), (189, 43239), (203, 40257), (213, 38367), (261, 31311), (441, 18531), (497, 16443), (567, 14413), (609, 13419), (639, 12789), (783, 10437), (1323, 6177), (1421, 5751), (1491, 5481), (1827, 4473), (1917, 4263), (2059, 3969), (2349, 3479)]