28277697

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 45388800

約数和(自身を除く): 17111103

約数列:

[1, 3, 7, 21, 29, 59, 87, 177, 203, 413, 609, 787, 1239, 1711, 2361, 5133, 5509, 11977, 16527, 22823, 35931, 46433, 68469, 139299, 159761, 325031, 479283, 975093, 1346557, 4039671, 9425899, 28277697]

約数ペア:

[(1, 28277697), (3, 9425899), (7, 4039671), (21, 1346557), (29, 975093), (59, 479283), (87, 325031), (177, 159761), (203, 139299), (413, 68469), (609, 46433), (787, 35931), (1239, 22823), (1711, 16527), (2361, 11977), (5133, 5509)]