261034881

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{967}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 379146240

約数和(自身を除く): 118111359

約数列:

[1, 3, 17, 51, 67, 79, 201, 237, 967, 1139, 1343, 2901, 3417, 4029, 5293, 15879, 16439, 49317, 64789, 76393, 89981, 194367, 229179, 269943, 1101413, 1298681, 3304239, 3896043, 5118331, 15354993, 87011627, 261034881]

約数ペア:

[(1, 261034881), (3, 87011627), (17, 15354993), (51, 5118331), (67, 3896043), (79, 3304239), (201, 1298681), (237, 1101413), (967, 269943), (1139, 229179), (1343, 194367), (2901, 89981), (3417, 76393), (4029, 64789), (5293, 49317), (15879, 16439)]