128688843

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1087}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 189399040

約数和(自身を除く): 60710197

約数列:

[1, 3, 19, 31, 57, 67, 93, 201, 589, 1087, 1273, 1767, 2077, 3261, 3819, 6231, 20653, 33697, 39463, 61959, 72829, 101091, 118389, 218487, 640243, 1383751, 1920729, 2257699, 4151253, 6773097, 42896281, 128688843]

約数ペア:

[(1, 128688843), (3, 42896281), (19, 6773097), (31, 4151253), (57, 2257699), (67, 1920729), (93, 1383751), (201, 640243), (589, 218487), (1087, 118389), (1273, 101091), (1767, 72829), (2077, 61959), (3261, 39463), (3819, 33697), (6231, 20653)]