12742407

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 20256000

約数和(自身を除く): 7513593

約数列:

[1, 3, 9, 19, 27, 57, 59, 171, 177, 421, 513, 531, 1121, 1263, 1593, 3363, 3789, 7999, 10089, 11367, 23997, 24839, 30267, 71991, 74517, 215973, 223551, 471941, 670653, 1415823, 4247469, 12742407]

約数ペア:

[(1, 12742407), (3, 4247469), (9, 1415823), (19, 670653), (27, 471941), (57, 223551), (59, 215973), (171, 74517), (177, 71991), (421, 30267), (513, 24839), (531, 23997), (1121, 11367), (1263, 10089), (1593, 7999), (3363, 3789)]