221551617

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{1447}}^1$

素因数の和:1797

約数の個数: 32

約数和(自身を含む): 353636352

約数和(自身を除く): 132084735

約数列:

[1, 3, 7, 21, 23, 69, 161, 317, 483, 951, 1447, 2219, 4341, 6657, 7291, 10129, 21873, 30387, 33281, 51037, 99843, 153111, 232967, 458699, 698901, 1376097, 3210893, 9632679, 10550077, 31650231, 73850539, 221551617]

約数ペア:

[(1, 221551617), (3, 73850539), (7, 31650231), (21, 10550077), (23, 9632679), (69, 3210893), (161, 1376097), (317, 698901), (483, 458699), (951, 232967), (1447, 153111), (2219, 99843), (4341, 51037), (6657, 33281), (7291, 30387), (10129, 21873)]