280920003

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{1753}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 462045696

約数和(自身を除く): 181125693

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 587, 1753, 1761, 4109, 5259, 7631, 12271, 12327, 22789, 22893, 36813, 53417, 68367, 159523, 160251, 478569, 1029011, 3087033, 7203077, 13377143, 21609231, 40131429, 93640001, 280920003]

約数ペア:

[(1, 280920003), (3, 93640001), (7, 40131429), (13, 21609231), (21, 13377143), (39, 7203077), (91, 3087033), (273, 1029011), (587, 478569), (1753, 160251), (1761, 159523), (4109, 68367), (5259, 53417), (7631, 36813), (12271, 22893), (12327, 22789)]