248836287

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{16619}}^1$

素因数の和:16683

約数の個数: 32

約数和(自身を含む): 408453120

約数和(自身を除く): 159616833

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 2139, 4991, 14973, 16619, 49857, 116333, 348999, 382237, 515189, 1146711, 1545567, 2675659, 3606323, 8026977, 10818969, 11849347, 35548041, 82945429, 248836287]

約数ペア:

[(1, 248836287), (3, 82945429), (7, 35548041), (21, 11849347), (23, 10818969), (31, 8026977), (69, 3606323), (93, 2675659), (161, 1545567), (217, 1146711), (483, 515189), (651, 382237), (713, 348999), (2139, 116333), (4991, 49857), (14973, 16619)]