13181307

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 19998720

約数和(自身を除く): 6817413

約数列:

[1, 3, 17, 19, 51, 57, 61, 183, 223, 323, 669, 969, 1037, 1159, 3111, 3477, 3791, 4237, 11373, 12711, 13603, 19703, 40809, 59109, 72029, 216087, 231251, 258457, 693753, 775371, 4393769, 13181307]

約数ペア:

[(1, 13181307), (3, 4393769), (17, 775371), (19, 693753), (51, 258457), (57, 231251), (61, 216087), (183, 72029), (223, 59109), (323, 40809), (669, 19703), (969, 13603), (1037, 12711), (1159, 11373), (3111, 4237), (3477, 3791)]