28213803

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1187}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 43243200

約数和(自身を除く): 15029397

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 1187, 1251, 2641, 3561, 7923, 10683, 22553, 23769, 67659, 164993, 202977, 494979, 1484937, 3134867, 9404601, 28213803]

約数ペア:

[(1, 28213803), (3, 9404601), (9, 3134867), (19, 1484937), (57, 494979), (139, 202977), (171, 164993), (417, 67659), (1187, 23769), (1251, 22553), (2641, 10683), (3561, 7923)]