16807287

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 26693632

約数和(自身を除く): 9886345

約数列:

[1, 3, 7, 21, 37, 97, 111, 223, 259, 291, 669, 679, 777, 1561, 2037, 3589, 4683, 8251, 10767, 21631, 24753, 25123, 57757, 64893, 75369, 151417, 173271, 454251, 800347, 2401041, 5602429, 16807287]

約数ペア:

[(1, 16807287), (3, 5602429), (7, 2401041), (21, 800347), (37, 454251), (97, 173271), (111, 151417), (223, 75369), (259, 64893), (291, 57757), (669, 25123), (679, 24753), (777, 21631), (1561, 10767), (2037, 8251), (3589, 4683)]