15677949

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 24837120

約数和(自身を除く): 9159171

約数列:

[1, 3, 7, 21, 41, 123, 131, 139, 287, 393, 417, 861, 917, 973, 2751, 2919, 5371, 5699, 16113, 17097, 18209, 37597, 39893, 54627, 112791, 119679, 127463, 382389, 746569, 2239707, 5225983, 15677949]

約数ペア:

[(1, 15677949), (3, 5225983), (7, 2239707), (21, 746569), (41, 382389), (123, 127463), (131, 119679), (139, 112791), (287, 54627), (393, 39893), (417, 37597), (861, 18209), (917, 17097), (973, 16113), (2751, 5699), (2919, 5371)]