281494983

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{11831}}^1$

素因数の和:11955

約数の個数: 32

約数和(自身を含む): 472522752

約数和(自身を除く): 191027769

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 2163, 3399, 7931, 11831, 23793, 35493, 82817, 130141, 248451, 390423, 910987, 1218593, 2732961, 3655779, 8530151, 13404523, 25590453, 40213569, 93831661, 281494983]

約数ペア:

[(1, 281494983), (3, 93831661), (7, 40213569), (11, 25590453), (21, 13404523), (33, 8530151), (77, 3655779), (103, 2732961), (231, 1218593), (309, 910987), (721, 390423), (1133, 248451), (2163, 130141), (3399, 82817), (7931, 35493), (11831, 23793)]