291227823

素因数分解:

$3^2\times {\mathrm{191}}^2\times {\mathrm{887}}^1$

素因数の和:1275

約数の個数: 18

約数和(自身を含む): 423353112

約数和(自身を除く): 132125289

約数列:

[1, 3, 9, 191, 573, 887, 1719, 2661, 7983, 36481, 109443, 169417, 328329, 508251, 1524753, 32358647, 97075941, 291227823]

約数ペア:

[(1, 291227823), (3, 97075941), (9, 32358647), (191, 1524753), (573, 508251), (887, 328329), (1719, 169417), (2661, 109443), (7983, 36481)]