220163811

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{11261}}^1$

素因数の和:11304

約数の個数: 32

約数和(自身を含む): 360384000

約数和(自身を除く): 140220189

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 6517, 11261, 19551, 33783, 78827, 213959, 236481, 551789, 641877, 1497713, 1655367, 3862523, 4493139, 10483991, 11587569, 31451973, 73387937, 220163811]

約数ペア:

[(1, 220163811), (3, 73387937), (7, 31451973), (19, 11587569), (21, 10483991), (49, 4493139), (57, 3862523), (133, 1655367), (147, 1497713), (343, 641877), (399, 551789), (931, 236481), (1029, 213959), (2793, 78827), (6517, 33783), (11261, 19551)]