129177321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7757}}^1$

素因数の和:7841

約数の個数: 32

約数和(自身を含む): 215486208

約数和(自身を除く): 86308887

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1281, 2379, 5551, 7757, 16653, 23271, 54299, 100841, 162897, 302523, 473177, 705887, 1419531, 2117661, 3312239, 6151301, 9936717, 18453903, 43059107, 129177321]

約数ペア:

[(1, 129177321), (3, 43059107), (7, 18453903), (13, 9936717), (21, 6151301), (39, 3312239), (61, 2117661), (91, 1419531), (183, 705887), (273, 473177), (427, 302523), (793, 162897), (1281, 100841), (2379, 54299), (5551, 23271), (7757, 16653)]