278324253

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{7993}}^1$

素因数の和:8125

約数の個数: 24

約数和(自身を含む): 415272312

約数和(自身を除く): 136948059

約数列:

[1, 3, 9, 53, 73, 159, 219, 477, 657, 3869, 7993, 11607, 23979, 34821, 71937, 423629, 583489, 1270887, 1750467, 3812661, 5251401, 30924917, 92774751, 278324253]

約数ペア:

[(1, 278324253), (3, 92774751), (9, 30924917), (53, 5251401), (73, 3812661), (159, 1750467), (219, 1270887), (477, 583489), (657, 423629), (3869, 71937), (7993, 34821), (11607, 23979)]