221173197

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{17351}}^1$

素因数の和:17968

約数の個数: 16

約数和(自身を含む): 337600512

約数和(自身を除く): 116427315

約数列:

[1, 3, 7, 21, 607, 1821, 4249, 12747, 17351, 52053, 121457, 364371, 10532057, 31596171, 73724399, 221173197]

約数ペア:

[(1, 221173197), (3, 73724399), (7, 31596171), (21, 10532057), (607, 364371), (1821, 121457), (4249, 52053), (12747, 17351)]