398289987

素因数分解:

$3^3\times {\mathrm{503}}^1\times {\mathrm{29327}}^1$

素因数の和:29839

約数の個数: 16

約数和(自身を含む): 591252480

約数和(自身を除く): 192962493

約数列:

[1, 3, 9, 27, 503, 1509, 4527, 13581, 29327, 87981, 263943, 791829, 14751481, 44254443, 132763329, 398289987]

約数ペア:

[(1, 398289987), (3, 132763329), (9, 44254443), (27, 14751481), (503, 791829), (1509, 263943), (4527, 87981), (13581, 29327)]