18682881

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 12006399

約数列:

[1, 3, 7, 17, 21, 51, 59, 119, 177, 357, 413, 887, 1003, 1239, 2661, 3009, 6209, 7021, 15079, 18627, 21063, 45237, 52333, 105553, 156999, 316659, 366331, 889661, 1098993, 2668983, 6227627, 18682881]

約数ペア:

[(1, 18682881), (3, 6227627), (7, 2668983), (17, 1098993), (21, 889661), (51, 366331), (59, 316659), (119, 156999), (177, 105553), (357, 52333), (413, 45237), (887, 21063), (1003, 18627), (1239, 15079), (2661, 7021), (3009, 6209)]