27982269

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 49329280

約数和(自身を除く): 21347011

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 97, 133, 171, 241, 291, 399, 679, 723, 873, 1197, 1687, 1843, 2037, 2169, 4579, 5061, 5529, 6111, 12901, 13737, 15183, 16587, 23377, 32053, 38703, 41211, 70131, 96159, 116109, 163639, 210393, 288477, 444163, 490917, 1332489, 1472751, 3109141, 3997467, 9327423, 27982269]

約数ペア:

[(1, 27982269), (3, 9327423), (7, 3997467), (9, 3109141), (19, 1472751), (21, 1332489), (57, 490917), (63, 444163), (97, 288477), (133, 210393), (171, 163639), (241, 116109), (291, 96159), (399, 70131), (679, 41211), (723, 38703), (873, 32053), (1197, 23377), (1687, 16587), (1843, 15183), (2037, 13737), (2169, 12901), (4579, 6111), (5061, 5529)]