17919333

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 27852800

約数和(自身を除く): 9933467

約数列:

[1, 3, 9, 27, 31, 79, 93, 237, 271, 279, 711, 813, 837, 2133, 2439, 2449, 7317, 7347, 8401, 21409, 22041, 25203, 64227, 66123, 75609, 192681, 226827, 578043, 663679, 1991037, 5973111, 17919333]

約数ペア:

[(1, 17919333), (3, 5973111), (9, 1991037), (27, 663679), (31, 578043), (79, 226827), (93, 192681), (237, 75609), (271, 66123), (279, 64227), (711, 25203), (813, 22041), (837, 21409), (2133, 8401), (2439, 7347), (2449, 7317)]