201408639

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 291833280

約数和(自身を除く): 90424641

約数列:

[1, 3, 17, 51, 53, 159, 269, 277, 807, 831, 901, 2703, 4573, 4709, 13719, 14127, 14257, 14681, 42771, 44043, 74513, 223539, 242369, 249577, 727107, 748731, 1266721, 3800163, 3949189, 11847567, 67136213, 201408639]

約数ペア:

[(1, 201408639), (3, 67136213), (17, 11847567), (51, 3949189), (53, 3800163), (159, 1266721), (269, 748731), (277, 727107), (807, 249577), (831, 242369), (901, 223539), (2703, 74513), (4573, 44043), (4709, 42771), (13719, 14681), (14127, 14257)]