211952181

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 329011200

約数和(自身を除く): 117059019

約数列:

[1, 3, 7, 21, 79, 237, 251, 509, 553, 753, 1527, 1659, 1757, 3563, 5271, 10689, 19829, 40211, 59487, 120633, 127759, 138803, 281477, 383277, 416409, 844431, 894313, 2682939, 10092961, 30278883, 70650727, 211952181]

約数ペア:

[(1, 211952181), (3, 70650727), (7, 30278883), (21, 10092961), (79, 2682939), (237, 894313), (251, 844431), (509, 416409), (553, 383277), (753, 281477), (1527, 138803), (1659, 127759), (1757, 120633), (3563, 59487), (5271, 40211), (10689, 19829)]