788892321

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{13103}}^1$

素因数の和:13221

約数の個数: 32

約数和(自身を含む): 1247920128

約数和(自身を除く): 459027807

約数列:

[1, 3, 7, 21, 47, 61, 141, 183, 329, 427, 987, 1281, 2867, 8601, 13103, 20069, 39309, 60207, 91721, 275163, 615841, 799283, 1847523, 2397849, 4310887, 5594981, 12932661, 16784943, 37566301, 112698903, 262964107, 788892321]

約数ペア:

[(1, 788892321), (3, 262964107), (7, 112698903), (21, 37566301), (47, 16784943), (61, 12932661), (141, 5594981), (183, 4310887), (329, 2397849), (427, 1847523), (987, 799283), (1281, 615841), (2867, 275163), (8601, 91721), (13103, 60207), (20069, 39309)]