211242647

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{461}}^1\times {\mathrm{541}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 266429856

約数和(自身を除く): 55187209

約数列:

[1, 7, 11, 77, 121, 461, 541, 847, 3227, 3787, 5071, 5951, 35497, 41657, 55781, 65461, 249401, 390467, 458227, 1745807, 2743411, 19203877, 30177521, 211242647]

約数ペア:

[(1, 211242647), (7, 30177521), (11, 19203877), (77, 2743411), (121, 1745807), (461, 458227), (541, 390467), (847, 249401), (3227, 65461), (3787, 55781), (5071, 41657), (5951, 35497)]