26903331

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 21529053

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 107, 117, 273, 307, 321, 749, 819, 921, 963, 1391, 2149, 2247, 2763, 3991, 4173, 6447, 6741, 9737, 11973, 12519, 19341, 27937, 29211, 32849, 35919, 83811, 87633, 98547, 229943, 251433, 295641, 427037, 689829, 1281111, 2069487, 2989259, 3843333, 8967777, 26903331]

約数ペア:

[(1, 26903331), (3, 8967777), (7, 3843333), (9, 2989259), (13, 2069487), (21, 1281111), (39, 689829), (63, 427037), (91, 295641), (107, 251433), (117, 229943), (273, 98547), (307, 87633), (321, 83811), (749, 35919), (819, 32849), (921, 29211), (963, 27937), (1391, 19341), (2149, 12519), (2247, 11973), (2763, 9737), (3991, 6741), (4173, 6447)]