15987783

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 9817017

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 419, 483, 553, 1257, 1659, 1817, 2933, 5451, 8799, 9637, 12719, 28911, 33101, 38157, 67459, 99303, 202377, 231707, 695121, 761323, 2283969, 5329261, 15987783]

約数ペア:

[(1, 15987783), (3, 5329261), (7, 2283969), (21, 761323), (23, 695121), (69, 231707), (79, 202377), (161, 99303), (237, 67459), (419, 38157), (483, 33101), (553, 28911), (1257, 12719), (1659, 9637), (1817, 8799), (2933, 5451)]