80661999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 120121344

約数和(自身を除く): 39459345

約数列:

[1, 3, 11, 33, 97, 113, 223, 291, 339, 669, 1067, 1243, 2453, 3201, 3729, 7359, 10961, 21631, 25199, 32883, 64893, 75597, 120571, 237941, 277189, 361713, 713823, 831567, 2444303, 7332909, 26887333, 80661999]

約数ペア:

[(1, 80661999), (3, 26887333), (11, 7332909), (33, 2444303), (97, 831567), (113, 713823), (223, 361713), (291, 277189), (339, 237941), (669, 120571), (1067, 75597), (1243, 64893), (2453, 32883), (3201, 25199), (3729, 21631), (7359, 10961)]