1689021789

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{27017}}^1$

素因数の和:27269

約数の個数: 32

約数和(自身を含む): 2783934720

約数和(自身を除く): 1094912931

約数列:

[1, 3, 7, 13, 21, 39, 91, 229, 273, 687, 1603, 2977, 4809, 8931, 20839, 27017, 62517, 81051, 189119, 351221, 567357, 1053663, 2458547, 6186893, 7375641, 18560679, 43308251, 80429609, 129924753, 241288827, 563007263, 1689021789]

約数ペア:

[(1, 1689021789), (3, 563007263), (7, 241288827), (13, 129924753), (21, 80429609), (39, 43308251), (91, 18560679), (229, 7375641), (273, 6186893), (687, 2458547), (1603, 1053663), (2977, 567357), (4809, 351221), (8931, 189119), (20839, 81051), (27017, 62517)]