277416321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 485990400

約数和(自身を除く): 208574079

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 79, 91, 133, 237, 247, 273, 399, 553, 677, 741, 1027, 1501, 1659, 1729, 2031, 3081, 4503, 4739, 5187, 7189, 8801, 10507, 12863, 14217, 19513, 21567, 26403, 31521, 38589, 53483, 58539, 61607, 90041, 136591, 160449, 167219, 184821, 270123, 374381, 409773, 501657, 695279, 1016177, 1123143, 1170533, 2085837, 3048531, 3511599, 4866953, 7113239, 13210301, 14600859, 21339717, 39630903, 92472107, 277416321]

約数ペア:

[(1, 277416321), (3, 92472107), (7, 39630903), (13, 21339717), (19, 14600859), (21, 13210301), (39, 7113239), (57, 4866953), (79, 3511599), (91, 3048531), (133, 2085837), (237, 1170533), (247, 1123143), (273, 1016177), (399, 695279), (553, 501657), (677, 409773), (741, 374381), (1027, 270123), (1501, 184821), (1659, 167219), (1729, 160449), (2031, 136591), (3081, 90041), (4503, 61607), (4739, 58539), (5187, 53483), (7189, 38589), (8801, 31521), (10507, 26403), (12863, 21567), (14217, 19513)]