52290021

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{733}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 82677760

約数和(自身を除く): 30387739

約数列:

[1, 3, 7, 21, 43, 79, 129, 237, 301, 553, 733, 903, 1659, 2199, 3397, 5131, 10191, 15393, 23779, 31519, 57907, 71337, 94557, 173721, 220633, 405349, 661899, 1216047, 2490001, 7470003, 17430007, 52290021]

約数ペア:

[(1, 52290021), (3, 17430007), (7, 7470003), (21, 2490001), (43, 1216047), (79, 661899), (129, 405349), (237, 220633), (301, 173721), (553, 94557), (733, 71337), (903, 57907), (1659, 31519), (2199, 23779), (3397, 15393), (5131, 10191)]